• World Space Week

    Worldwide

    Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.

  • BIS Space Rendezvous – Monthly Online Social – October 2026

    Online

    19:00-20:30 UT; Special Edition – World Space Week JOIN the BIS Space Rendezvous – Monthly Online Social EVERY second Thursday 19:00 – 20:30 GMT on Zoom Our monthly online social is open to anybody who is serious about space! This is a forum for open discussion and ideas, and the […]

  • Space Passive Components Days SPCD 2026

    Noordwijk, Netherlands

    The SPCD international Symposium is the premier technical conference dedicated to Passive components for space applications. It is an exceptional venue to learn more about the latest advances in this field and meet recognized experts from industry, academia and agencies.

  • Space Passive Components Days – SPCD 2026

    Noordwijk, The Netherlands

    6th SPCD for discussion and exchange of expertise on components representing >80% of Electrical and Electronics Engineering (EEE) parts used in spacecraft. At Space Research and Technology Centre of the European Space Agency (ESA / ESTEC), 35km southwest of Amsterdam International Airport.

    €150 – €800
  • NET Oct 15 — Launch Martian Moons eXploration (MMX)

    Tanegashima Space Center, ~30°N, Japan

    Mars launch window runs Late Oct through Dec 2026 for first Mars mission of JAXA, consisting of sample return probe; to conduct observations of Mars, Phobos and Deimos, collect Phobos sample, return to Earth. https://www.thespacereview.com/article/5230/1

  • International Observe the Moon Night 2026

    Worldwide

    For observation, appreciation, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best time due to shallow angle of sunlight that illuminates details.

  • STARMUS VIII – The Search for Truth

    Canary Islands, Spain

    Celebration of science, art, music, exploration and the responsibility we share for the future of our species and our planet. Expected are Astronauts, Nobel laureates, pioneering scientists and world-renowned artists for a gathering of global thinkers. The 10th Starmus Stephen Hawking Medal will be awarded, as well as the first […]

  • 25th Annual Astronaut Lacy Veach Day of Discovery

    Honolulu HI, USA

    STEM event to inspire students with hands-on activities and displays featuring rocketry, satellites, astronomy, meteorites, robotics and more. At University of Hawai‘i at Mānoa. https://www.hawaii.edu/news/2025/11/04/lacy-veach-day-2025/

  • NeoSpace Challenge

    Luxexpo, Luxembourg

    Final-year-Bachelor’s, Master’s, and PhD students from across the world, enrolled in space-related programmes, are invited to test their skills against real-world challenges issued by Luxembourg industry leaders. This intensive two-day event offers a unique chance to work on use-cases currently faced within the sector while collaborating with peers from different […]

  • NEO Space Europe

    Luxexpo, Luxembourg

    Navigating Emerging Opportunities: a conference to explore space market trends, emerging technologies, geopolitical dynamics, new companies and the next generation of talent. Designed as a highly interactive and commercially driven event, NeoSpace Europe puts networking, collaboration and business development at the centre of the experience. Hosted in Luxembourg — a […]

  • UP/LINK: The SpaceTech Business Summit

    NYC NY, USA

    Guided by an Advisory Board of leaders from SSPI, Axiom Space, Black Sky, Fidelity, Counco on Foreign Relations, Lockheed Martin, Empire Space, US Space Force; a US $1 Trillion market is emerging — fast. Its leaders will be the ones who move now. Up/Link is where the people who shape […]

  • 14th IAASS Conference: Together for a Safe Space Frontier

    Antibes - Juan-les-Pins

    The 14th IAASS Conference, “Together for a Safe Space Frontier”, invites reflection and the exchange of knowledge on critical space safety topics that demand international collaboration. The conference serves as a forum to build mutual understanding, trust, and the broadest possible cooperation in the peaceful, responsible, and shared use of […]

  • Peak of Orionids Meteor Shower

    Worldwide

    Appearing in constellation Orion, Orionids are a Class I shower providing up to 20 per hour, swiftly moving ~66km/sec. With activity spanning October 2 - November 12, other nights might provide good viewing since Moon on the peak night is 80% full.

  • SPAICE 2026: AI in and for Space

    Noordwijk, Netherlands

    Bringing together leading researchers, engineers, and industry experts at the intersection of artificial intelligence and space exploration. As AI continues to transform the way we design, operate, and understand space missions, SPAICE offers a unique forum to exchange ideas, showcase breakthroughs, and shape the future of intelligent space systems.

  • von Braun Space Exploration Symposium 2026

    Huntsville AL, USA

    Convene, connect, and collaborate at the 19th annual von Braun Space Exploration Symposium! This year’s event will spotlight how bold ideas, emerging technologies, and new partnerships are igniting innovation across the space enterprise.

  • Spaceport Norway: North Star Rising

    Oslo, Norway

    Themes include: Space & the Arctic; Space & AI; Space & International Collaboration. There is a Student Session, a Technical Session, a Frontier Session, and a focus on Investment & VC: Space Investment & Capital Access. Norwegian Space Agency is a Sponsor. Space-based situational awareness is critical, and space demands […]

    €550 – €900
  • Ground Control #8 at Mesh Youngstorget

    Oslo, Norway

    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required. Ground Control is for everyone who's curious about what's happening in space and why it matters. Whether you work in the sector or have never thought about it before — […]

  • NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury

    Mercury Orbit

    NET Nov — BepiColombo, Hermocentric Orbit Insertion at Mercury, Mercury Orbit: European Space Agency / JAXA Mercury Planetary Orbiter (MPO) and Mercury Magnetospheric Orbiter (MMO) expected to reach Mercury, achieve polar orbit and spacecraft separation; will map planet, investigate magnetosphere.

  • NET Nov — Chang’E-7 to land on Moon

    Shackleton Crater Ridge, Moon Surface

    NET Nov — CNSA CE-7 mission planned to land at Shackleton Crater Ridge near Moon South Pole region to survey environment and resources with Relay Satellite, Orbiter, Lander (Rashid-2 from UAE), Rover, Mini-Flying Probe; lander has national science payloads as well as 6 international instruments integrated: from Egypt, Bahrain, Italy, […]

  • NET Nov – 37th Planetary Congress of the ASE

    Wenchang, Hainan, China

    Venue / exact date for Hainan, China -- TBC (to be confirmed); As the only professional association for astronauts, ASE supports the advancement of space exploration by providing opportunities for communication among space professionals at the international level. The Association has worked closely with other international professional space organizations to expand […]

  • Standard Time (USA) Begins

    Nationwide USA

    Change clocks back 1 hour from Daylight Saving to Standard Time; does not include Hawai’i, Arizona (except the Navajo Nation), American Samoa, Guam, Northern Mariana Islands, Puerto Rico or U.S. Virgin Islands.

  • IAU Symposium 409: Innovative Research and Techniques in Astronomy Outreach

    Tokyo, Japan

    Coordinating Division Division C Education, Outreach and Heritage The IAU Symposium on Innovative Research and Techniques in Astronomy Communication will take place from November 2 to 6, 2026, at the National Astronomical Observatory of Japan in Mitaka, Tokyo. The groundbreaking hybrid event will unite experts from astronomy and science communication, […]

  • European Space Weather Week 2026

    Florence, Italy

    ESWW is the main annual event in the European Space Weather and Space Climate calendar. It is an international meeting organised annually within the European Region in collaboration with prominent members of the European space weather and space climate community. It began as a forum for the European Space Weather […]

  • Innovative Research and Techniques in Astronomy Communication

    Tokyo, Japan

    IAU Symposium: IAUS409 - A Journey Towards Effective Astronomy Communication; online and at National Astronomical Observatory of Japan, 2-21-2 Osawa Mitaka, Tokyo. Topics include: Innovations in Data Visualization Techniques Leveraging Emerging Technologies for Communication Making Astronomy Relevant Communicating Astronomy with Funders and Policymakers  

  • Space & Satellites USA 2026

    Washington DC, USA

    Expecting senior government and executives from NASA, Firefly, Blue Origin to discuss innovation, competitive advantages and a "space industrial revolution in LEO". Capped at 250 participants. At Marriott at the Metro Center.

    US$849
  • Space Simulation Conference

    Annapolis, Maryland

    Major international forum in space hardware environmental testing for research and development and qualification. It provides a unique opportunity for engineers, technicians and scientists from industry, government and academia to present and exchange information and ideas on simulating the space environment to develop and test space mission hardware.

  • Space Tech Expo Europe 2026

    Bremen, Germany

    Leading event in Europe for space engineering, innovation, and the end-to-end supply chain.

  • Indo Aerospace Expo & Forum 2026

    Jakarta, Indonesia

    At the Jakarta International Expo (JIExpo) Kemayoran. This event represents one of Southeast Asia’s most significant aerospace gatherings, connecting industry leaders, innovators, policymakers, and investors from around the world. Consequently, it provides an unmatched platform for showcasing cutting-edge aerospace technologies, exploring market trends, and building strategic partnerships.

  • 22nd Anniversary of Swift Spacecraft Launch

    Low Earth Orbit (LEO)

    Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of operations in space today, launched in 2004.

  • Global Network on Sustainability in Space (GNOSIS26)

    Online

    GNOSIS promotes, coordinates and develops collaboration across the academic, defence, industrial and political sectors to understand and solve problems relating to the sustainable use of Space.

  • Ground Control #9 at Mesh Youngstorget

    Oslo, Norway

    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required. Ground Control is for everyone who's curious about what's happening in space and why it matters. Whether you work in the sector or have never thought about it before — […]

  • LARIM2026: Latin-America Regional IAU Meeting

    Cancún, Quintana Roo, Mexico

    Held every 3 years, targeted to professional astronomers, postdocs, postgraduate and undergraduate students pursuing a research career in Astronomy. As previous editions of this meeting, XVIII LARIM will provide a forum for scientific discussion and will promote new collaborations among Latin American astronomers. At Cancun Center, Boulevard Kukulcan Km. 9, […]

    $260 – $450
  • Earthlight Foundation New Worlds Faire and Space Cowboy Ball

    Austin TX, USA

    Addition of a display and market area to the annual gathering that culminates in the Space Cowboy Ball charity event accompanies presentations on everything about space, including medicine, architecture and design, art and media, energy, policy and much more, by leaders in the field.

  • NET Dec — Launch Atlas V / Starliner-1

    SLC-41 (~28°N), Cape Canaveral SFS FL, USA

    First launch of the Starliner crew vehicle to the International Space Station carrying only cargo for the orbital laboratory; will allow in-flight validation of the system upgrades implemented following the Crew Flight Test mission of 2024.

  • NET Dec — Launch Starship / Venturi Astrolab FLEX C

    Starbase, 25.9°N, Boca Chica TX, USA

    SpaceX to launch Starship with Venturi Astrolab FLEX C rover from Starbase, Boca Chica TX. Flexible Logistics and Exploration (FLEX-C) rover to launch to Moon South Pole Region, with commercial payloads including the International Lunar Observatory Association's ILO-1 flagship instrument. ILO-1 will be providing Space Age's Space Calendar with weekly […]

  • 6th Anniversary of Chang’E-5 Landing on Moon

    Statio Tianchuan, 43° N 51.9° W, Moon Surface

    China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum, Moon (43° N, 51.9° W), surpasses another full year on lunar surface today; landed on this day in 2020, with sample return launching from the Moon 2 days later.

  • 2nd European Interstellar Symposium

    Venice, Italy

    Hosted by The Venetian Institute of Sciences, Letters and Arts in association with The Interstellar Research Group, the world’s experts in exoplanet research, advanced space propulsion, power, life support, communications, and more will gather to share their findings and propose innovative solutions to enable our future journeys to planets circling […]

  • 12th Anniversary of Hayabusa 2 Launch

    Asteroid 98943 Torifune Trajectory

    Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to Earth in 2020, and now in extended mission to flyby asteroid 98943 Torifune in 2026 and rendezvous with 1998 KY26 in 2031.

  • AIAA Region VII Student Conference

    Adelaide, Australia

    Research papers are presented in a formal technical meeting atmosphere, and ideas are exchanged and programs discussed. Cash prizes given for 1st, 2nd and 3rd place papers in each category. At University of Adelaide Student Branch and online.

  • AGU 2026 Annual Meeting: Where Science Connects

    San Francisco CA, USA

    The largest gathering of Earth and space scientists, convening 20,000+ attendees from 100+ countries to share research, connect, collaborate, and inspire one another. Session, town hall and scientific workshops. At Moscone Center, 747 Howard Street.   Save the date for future Annual Meetings: December 13-17, 2027 | Washington, D.C. December […]

  • Ground Control #10 at Mesh Youngstorget

    Oslo, Norway

    Oslo Spaceport Norway offers monthly a knowledgeable speaker and opportunity for networking, 17:00-20:00 local time; free entry but registration required. Ground Control is for everyone who's curious about what's happening in space and why it matters. Whether you work in the sector or have never thought about it before — […]

  • 27th Anniversary of XMM-Newton Launch

    Low Earth Orbit (LEO)

    European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black holes, mapping dark matter, surpasses next full year in space today, launched 1999.

  • 13th Anniversary of Chang’E-3 Landing on Moon

    Guang Han Gong, 44.12°N 19.51°W, Moon Surface

    China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses another full year on Moon surface, landed 2013.

  • 17th Anniversary of WISE / NEOWISE Launch

    Low Earth Orbit (LEO)

    NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched 2009, went into hibernation February 17, 2011 and reactivated August 21, 2013.

  • GEGSLA 16th Operational Meeting

    Online

    Global Experts Group on Sustainable Lunar Activities continues discussions on ongoing workstreams and priorities related to the sustainable exploration and use of the Moon, with focus on expert dialogue, coordination, and long-term strategic planning for responsible lunar activities.

  • 13th Anniversary of Gaia Spacecraft Launch

    Sun-Earth L2 Lagrange point

    ESA spacecraft surpasses another full year in space today; now in extended mission phase working to map more than 1 billion stars; launched in 2013.

  • December Solstice

    Worldwide

    10:49 HST (00:49 UTC); the Sun reaches the point where it is farthest South of the celestial equator, marking the shortest day and longest night of the year (opposite in Southern Hemisphere).

  • Cold Moon

    Moon Orbit

    25:29 HST //  01:29 UTC on Dec 24.

  • 23rd Anniversary of Mars Express Entering Mars Orbit

    Mars Orbit

    ESA spacecraft surpasses next full year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure, mineralogy, geology, and to search for traces of water; launched June 2, 2003 and arrived at Mars in Dec 2003.

  • NET 2027 — Launch Neutron / NZSA Venus Mission 

    Rocket Lab LC-3, ~38°N, Wallops Island VA, USA

    Independent mission to Venus developed by Rocket Lab and MIT, NZSA Venus Mission is a small direct Venus entry probe with a single 1 kg low-mass, low-cost autofluorescing nephelometer riding on a satellite bus based on the Photon Upper stage of the Electron rocket. The probe mission will spend approximately 5 […]

  • NET 2027 — Launch Luna-26

    Vostochny Cosmodrome, ~52°N, Russia

    NET 2027 — Roscosmos State Corporation, Launch Luna-26, Vostochny Cosmodrome, Russia: Roscosmos hopes to launch the Luna-Resurs O (Luna-Resurs Orbiter) to Moon polar orbit with 14 instruments for 1 year at 60-80 km altitude for lunar mapping.

  • NET 2027 — Launch Vehicle Mark-3 (LVM3) / Chandrayaan-4

    Satish Dhawan Space Center, ~14°N, Sriharikota, India

    NET 2027 — ISRO to launch its Launch Vehicle Mark-3 (LVM3) with Chandrayaan-4 lunar lander from Satish Dhawan Space Center, Sriharikota, India: Planned launch of Chandrayaan-4 mission for Moon landing and sample return up to 3 kg (6.6 lb) from near Statio Shiv Shakti.

  • NET 2027 — Launch Falcon 9 / APEX 1.0 Lunar Lander Mission 1,

    SLC-39A, ~29°N, Kennedy Space Center FL, USA

    SpaceX to launch Falcon 9 with APEX 1.0 Lunar Lander Mission 1. Lunar lander built by ispace, Draper (mission lead) and Karman Space & Defense under $73M NASA CLPS to land near Schrödinger Basin, Moon South Pole region with NASA payloads (two seismometers, a drill, a probe, a magnetic sounder, LuSEE-Light […]

  • NET 2027 — Launch Long March 5 / Xuntian Telescope

    Wenchang Space Launch Center, ~19°N, Hainan Island, China

    NET 2027 — CNSA to launch Long March 5 with Xuntian space telescope from Wenchang Space Launch Center, Hainan Island, China (19° N), China: Launch of Xuntian (Space Sentinel / Chinese Space Station Telescope ‘Touring the Heavens’) to LEO; will co-orbit with Tiangong Space Station, allowing it to dock periodically; 2-meter […]

  • 249th Meeting of the AAS

    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States

    At Salt Palace Convention Center.

  • 2027 AIAA SciTech Forum

    Orlando FL, USA

    AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace. Expecting 6,000+ attendees from 46+ countries. At Hyatt Regency Orlando.

  • Apollo 1, 60th Observation

    Nationwide USA

    Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch pad test: Command Pilot Virgil “Gus” Grissom, Senior Pilot Edward H. White and Pilot Roger B. Chaffee.

  • Challenger STS-51L, 41st Observation

    Nationwide USA

    Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle accident 28 January 1986: Commander Francis R. “Dick” Scobee, Pilot Michael J. Smith, Astronaut Christa McAuliffe (the 1st ‘Teacher in Space’), Mission Specialists Ellison S. Onizuka, Judith A. Resnick and […]

  • Explorer 1, 69th Observation

    Nationwide USA

    American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for life ongoing, and Interstellar craft on outgoing trajectories while first USA satellite launch on this day in 1958 ‘Explorer 1’ is celebrated and remembered.

  • Columbia STS-107, 24th Observation

    Nationwide USA

    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss in 2003: Commander Richard D. Husband, Mission Specialist Laurel Clark, Payload Specialist Ilan Ramon (the ‘1st Israeli astronaut’) and Astronauts: William C. McCool, Michael P. Anderson, David M. Brown and Kalpana Chawla […]

  • Lunar New Year

    China (Zhongguo) / Worldwide

    Lunar New Year 2027 Spring Festival marks the Year of the Goat.

  • 6th Anniversary of Tianwen-1 Orbiter Entering Mars Orbit

    Mars Orbit

    China Tianwen-1 orbiter reaches 6 full years of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at Utopia Planitia 25.1°N, 109.9°E; launched July 2020, reached orbit 2021.

  • 5th Anniversary of Mars Perseverance Rover Landing on Mars

    Mars Surface

    Mars 2020 Perseverance Rover reaches 5 full years on Mars surface having landed in Jezero Crater on this day in 2021; it carried Ingenuity helicopter – the first craft to successfully complete powered flights off-Earth.

  • Intuitive Machines IM-1 Mission, Moon Landing Observation (3rd Year)

    Near Malapert A Crater, 80.13°S 1.44°E, Moon Surface

    Third annual observation of 1st successful commercial lunar landing on Moon by Intuitive Machines and its IM-1 Nova-C Lander "Odysseus". This mission also marks the USA first return to the Moon since Apollo 17 in 1972. IM-1 lander carried 6 NASA and 6 independent payloads to surface, landing near Malapert […]

  • 241st Galactic Tick Day

    Highlighting Galaxy awareness by celebrating the Solar System traveling around Milky Way Galaxy Center every ~225 million Earth years, one Galactic Tick happens every 633.7 days; first Tick Day was one Tick after October 2nd, 1608 when the first telescope patent was filed.

  • 13th Annual Space Traffic Conference

    TBD

    With theme "Turning Conjunctions Into Coordination". Abstracts of up to 500 words will be accepted and must include the precise title of the paper, the topic area of interest, the author’s full name and affiliation, and complete contact information including an email address. The language of the conference is English. […]

  • 58th Lunar and Planetary Science Conference (LPSC)

    Online

    LPSC is a defining event in planetary research, bringing together a diverse group of international experts in a truly collaborative environment, both online and in-person. The conference location will be announced at a later date. For 58 years, LPSC has been convening the lunar and planetary science community to showcase […]

  • AIAA Defense Forum 2027

    Laurel MD, USA

    17 Disciplines addressed include Space Access and Space Systems.

  • Pōwehi Day

    Statewide Hawai’i, USA

    Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian name Pōwehi; imaged in April 2017 and released Apr 10, 2019.

  • Yuri’s Night Celebrations

    Worldwide

    Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first human to venture into space on April 12, 1961, and the inaugural launch of the first Space Shuttle on April 12, 1981. We use space to bring the world together, […]

  • 42nd Space Symposium

    Colorado Springs CO, USA

    Theme: TBA. Expecting 10,000+ registrants, 240+ exhibitors, 24 space agencies, 1500+ organizations. Access to specific Track Programming ONLY available at less than full-conference fee.

  • National Day of Space Flight

    China (Zhongguo)

    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

  • Tianwen-2 Departs Kamo’oalewa (2016 HO3)

    Earth Trajectory

    China Tianwen-2 asteroid sample return mission planned to depart Kamo’oalewa (2016 HO3) today and return to Earth with least 100 grams of sample, to enter Earth atmosphere on Nov 29, 2027.

  • International Space Day

    Worldwide

    First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space explorers; originally began as ‘National Space Day’ in 1997 by Lockheed Martin Corp.

  • ASCEND 2027: Accelerating Space Commerce, Exploration and New Discovery

    Washington DC, USA

    KEY THEMES ARE: Advancing human spaceflight and microgravity research, Enabling sustainable cislunar and lunar exploration, Defining the Moon-to-Mars pathway and beyond, Shaping space policy and law to enable long-term activity, Finance and innovation across the space economy, New horizons in space infrastructure and services, Cross-cutting technologies, Developing the next generation […]

  • Islamic New Year 1449 AH

    Worldwide

    New Year 1 Muharram (1st day) to begin at sunset on Jun 6; if young New Moon is not visible the beginning of the month and year may be delayed.

  • AIAA Aviation Forum 2027

    San Diego CA, USA

    The only aviation event that covers the entire integrated spectrum of aviation business, research, development and technology. At Manchester Grand Hyatt.

  • Asteroid Day 2027

    Worldwide

    UN-Sanctioned annual, global asteroid awareness program supporting thousands of independently organized events, providing educational resources; held on June 30, the anniversary of the Tunguska event in 1908 when a meteor air burst levelled about 2,150 km² of forest in Siberia, Russia.

  • International Moon Day (Annual)

    Global / Inter-Global

    Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized / endorsed declaration by the United Nations since 2022.

  • Viking 1 Mars Lander 51st Landing Observation Anniversary

    Nationwide USA

    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 51 years ago; originally scheduled for July 4, landing was delayed until this day in 1976 due to rough landing site.

  • Apollo 11, 58th Observation

    Global / Inter-Global

    First Human mission to land on Moon in 1969; 1st steps by humans on another World taken by Commander Neil Armstrong and Lunar Module Pilot Buzz Aldrin; Command Module piloted by Michael Collins.

  • 28th Anniversary of Chandra X-ray Observatory Launch

    High Earth Orbit (HEO)

    NASA spacecraft in extended mission phase reaches 28th full year of operations in space; instruments able to detect X-ray sources 100 times fainter than any previous X-ray telescope; launched 1999.

  • IAUGA2027: IAU General Assembly

    Rome, Italy

    International Astronomical Union will post a dedicated website "soon". The General Assembly is held every 3 years for astronomers worldwide and includes scientific sessions and administrative business.

  • Lucy Mission Flyby of 3548 Eurybates / Queta

    Jupiter Greek camp at Lagrangian point L4

    NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 1,000 km of 64-km diameter 3548 Eurybates asteroid and its 1-km diameter satellite Queta.

  • 9th Anniversary of Parker Solar Probe Launch

    Heliocentric Orbit

    NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe came within ~6.16M km of the Sun on Dec 24, 2024 which is ~7 times closer than any prior spacecraft, traveling faster than any other human-made object at ~692,000 km/hr.

  • 41st Annual Small Satellite Conference

    Salt Palace Convention Center, Salt Lake City UT, USA 100 South West Temple, Salt Lake City, UT, United States

    Annual Small Satellite Conference spotlights technologies driving constellation success.

    $1000
  • Chandrayaan-3 Commemorated for Moon Landing (2023)

    Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface

    Chandrayaan-3 Vikram lander and Pragyan rover celebrated today after successfully landing on Moon in 2023; marking India as the 4th country to land on Moon, and 1st near the Moon South Pole.

  • Van Allen Probes Mark Another Year in Space

    Low Earth Orbit (LEO)

    NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment and its variability.

  • NET Sep — Launch Falcon 9 / Near-Earth Object Surveyor

    TBD

    NET Sep — NASA's Near-Earth Object Surveyor space telescope (NEO Surveyor), to help advance planetary defense efforts to discover and characterize most of the potentially hazardous asteroids and comets that come within 30 million miles of Earth’s orbit, planned to be launched this month.

  • Lucy Mission Flyby of 15094 Polymele

    Jupiter Greek camp at Lagrangian point L4

    NASA mission to encounter 11 asteroids including a main belt and 7 Jupiter Trojans to come within 415 km of 21-km diameter 15094 Polymele asteroid which may be a collisional fragment and rich in organic tholin compounds.

  • 78th International Astronautical Congress (IAC 2027)

    Poznań, Poland

    Expects ~10,000 participants for event themed One Space. Shared Future. Co-events include Space Generation Congress, September 23-25; UN / IAF Workshop, September 24-26; IAA Academy Day and International Meeting for Ministers & Members of Parliaments, both September 26; IAF General Assembly and Bureau Meeting, both October 1. Poland hosts the […]

  • 12th Anniversary of Astrosat Launch

    Low Earth Orbit (LEO)

    Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.

  • NET Oct — Launch Falcon 9 / Intuitive Machines IM-4 Nova-C Lander

    SLC-39A, ~29°N, Kennedy Space Center FL, USA

    NET Oct  — Under US$116.9M NASA CLPS award, Intuitive Machines 4th mission to deliver 6 NASA payloads totaling ~79 kg, including carry ESA Lunar ice drill ProSEED / PROSPECT sensor array, magnetometer, radiometer to investigate surface composition, instrument to measure how lander affects regolith, retroreflectors as location marker, a yeast experiment; payload capacity for commercial […]

  • World Space Week

    Worldwide

    Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.

  • 6th Anniversary of Lucy Spacecraft Launch

    Jupiter Greek camp at Lagrangian point L4

    NASA craft reaches 6 full years in Space, about mid-way through planned 12-year mission to encounter 11 different asteroids.