• Tuesday

    — Moon Village Association (MVA), Global Experts Group on Sustainable Lunar Activities (GEGSLA),
    Online / Vienna, Austria
    To highlight importance of international cooperation for sustainable utilization of lunar resources; contact gegsla@moonvillageassociation.org.

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Jupiter Orbit
    NASA craft to perform Jupiter flyby during Perijove 76, its 76th close flyby of Jupiter and 75th science flyby with instruments turned on – to be last...

    Thursday

    — Blue Origin,
    West Texas Suborbital Launch Site / Corn Ranch, Van Horn TX, USA Launch Site One (LSO), Van Horn, TX, United States
    An uncrewed mission using the RSS H.G. Wells capsule, this is the 35th flight for the New Shepard program, taking 40+ scientific and research payloads, including 24...

    Friday

    — Japan Aerospace Exploration Agency (JAXA), Osaka Institute of Technology,
    Osaka, Japan
    Officials will brief on H3 launch rocket, HTV-X resupply vehicle, Martian Moon Exploration project, Hayabusa2, challenges to Japanese astronauts, and more.
    — Organzation for Space Medicine, Engineering and Design (OSMED),
    Online
    Last of a series of lectures. All members of OSMED (Organization for Space Medicine, Engineering and Design) are welcome to attend. Membership: US$50-250.
    $50 – $250

    Saturday

    Sunday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Online / Washington DC, USA
    After evaluating more than 8,000 applications, NASA will debut its 2025 class of astronaut candidates. Live event for the 2025 Class of Astronaut Candidates and preview Artemis...
    — Sun-Earth,
    Worldwide
    The Sun rises exactly in east traveling through sky for 12 hours, sets exactly in west; every place on Earth experiences a ~12-hour day, 18:19 UTC (08:19...

    Tuesday

    — American Institute of Aeronautics and Astronautics (AIAA), Institute of Electrical and Electronic Engineers (IEEE), Autònoma de Barcelona (UAB),
    Barcelona, Spain
    This year’s conference will be held in beautiful Barcelona, Spain from September 23 – 25, 2025, at the magnificent UNESCO campus, Universitat Autònoma de Barcelona, UAB, (The...
    — National Aeronautics and Space Administration (NASA),
    Online
    NASA to preview Artemis II Moon Mission 11:00 EDT . News conference on the science and technology of Artemis II mission starts at 13:00. Artemis II slated for...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Online
    News conference with the Artemis II astronauts 10:00 EDT. NASA will also host an Artemis II media day at NASA Johnson on Sept. 24, to showcase mission...

    Thursday

    — Space Generation Advisory Council (SGAC),
    Sydney, Australia
    The Space Generation Congress (SGC) is the annual meeting of the Space Generation Advisory Council always held in conjunction with the International Astronautical Congress (IAC) at the...
    — Lunar Surface Innovation Consortium (LSIC), Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    Registration is due 19 Sep for this online event. LSIC Surface Power Capability Area will host their annual virtual workshop! This year's workshop is entitled "Lunar Power...
    Free
    — Astronaut Scholarship Foundation (ASF),
    Online
    Astronaut Scholarship Foundation presents a Live Chat with veteran NASA Astronaut Leland Melvin on Thursday, September 25th at 1:00 PM ET for students in 3rd-12th grades and...
    Free

    Friday

    — Lunar Surface Innovation Consortium (LSIC), Johns Hopkins University Applied Physics Lab (JHU-APL), National Aeronautics and Space Administration (NASA),
    Online
    Abstracts due for 2025 LSIC Fall Meeting to be held Nov 5-6 at Georgia Institute of Technology in Atlanta GA, USA

    Saturday

    — The Astronomical League,
    Worldwide
    Astronomical societies, planetariums, museums and observatories sponsor public viewing sessions, presentations and workshops.
    — Lunar Exploration and Space Engineering Center of the Chinese Academy of Sciences, Institute of Optoelectronics of the Chinese Academy of Sciences,
    Chengdu, Sichuan Province, China
    During this prototype R&D period, the Forum aims to verify the scientific objectives of the payload and ground testing operations for the Chang'E-8 lunar mission and to...

    Sunday

    — Indian Space Research Organisation (ISRO),
    Low Earth Orbit (LEO)
    Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.
    — Indo-Pacific Space & Earth Network, International Astronautical Federation (IAF),
    Sydney, Australia
    IAF Adjacent Event; for business discussions re space, technology, etc., followed by Five Nations Partner Forum and Welcome Reception.
    — Global Spaceport Alliance (GSA),
    Sydney, Australia
    Advancing Spaceport Development and Operations through Global Collaboration Following the success of the inaugural International Spaceport Meeting in Milan, co-hosted by the Global Spaceport Alliance (GSA), we...

    Monday

    — National Optical-Infrared Astronomy Research Laboratory (NOIRLab), University of Arizona,
    Tucson AZ, USA
    The Solar System in Context Toward an interconnected perspective on the formation and evolution of the Solar System, exoplanetary systems, and their stars. Main Topics Disks, Stellar Evolution,...
    — Rocket Lab,
    SLC-2, Wallops Flight Facility WA, ~38°N, USA
    Sub-orbital launch under Rocket Lab Hypersonic Accelerator Suborbital Test Electron (HASTE) program for USA government payload. Estimated launch cost: US$6,000,000.

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Online / Washington DC, USA
    ROSES-25 A.10 INNOVATE Preproposal Conference September 30, at 2 pm Eastern Time. ROSES-2025 A.10 INNOVATE solicits proposals to rapidly advance the use of satellite observations of Earth to...
    — American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section,
    Lawndale CA, USA
    Evening Town Hall meeting of the Los Angeles Section of the American Institute of Aeronautics and Astronautics; with Jonathan Arenberg, Northrop Grumman Fellow and Chief Mission Architect...
  • Wednesday

    — SpaceX,
    SLC-40, Cape Canaveral SFS FL, ~28°N, USA
    The 3rd of 3 launches for Amazon Kuiper low Earth orbit satellite internet constellation.
    — American Institute of Aeronautics and Astronautics (AIAA),
    Mountain View CA, USA
    All ages welcome! Come and join your colleagues and friends in the aerospace profession in a relaxed atmosphere. Network over a pitcher of beer and schnitzel. AIAA-SF will...

    Thursday

    Friday

    — SpaceX,
    SLC-4E, Vandenberg SFB CA, ~35°N, USA
    Another batch of 28 satellites for SpaceX Starlink internet communications mega-constellation.

    Saturday

    — International Astronautical Federation (IAF), Australian Space Agency (ASA),
    Sydney, Australia
    IAC Adjacent Event; includes live demo of lunar habitat construction; at University of New South Wales Kensington
    — National Aeronautics and Space Administration (NASA), Indian Space Research Organisation (ISRO), Japan Aerospace Exploration Agency (JAXA), European Space Agency (ESA), Australian Space Agency (ASA), Canadian Space Agency (CSA-ASC), Italian Space Agency (ASI), others,
    Worldwide
    48-hour hackathon in French and English for space enthusiasts, programmers, designers, engineers, entrepreneurs and students; 2800+ local events and online
    — International Observe the Moon Night Organization,
    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...
    — World Space Week Association,
    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...

    Sunday

    — Institute of Electrical and Electronic Engineers (IEEE), Moon Village Association (MVA), American Institute of Aeronautics and Astronautics (AIAA), Pacific International Space Center for Exploration Systems (PISCES), American Society of Civil Engineers (ASCE), Indo-Pacific Robotics, Autonomy, AI and Cyber Conference and Exhibition (IPRAAC),
    Perth, Australia
    2nd annual ROBOPALOOZA.space festival will take place at the Australian Automation and Robotics Precinct (AARP), feature Student and Business Innovation Pitch Battles, IEEE Telepresence Competition with US$5,000...
    — American Astronomical Society (AAS), American Institute of Aeronautics and Astronautics (AIAA), National Space Society (NSS), The Planetary Society,
    Washington DC, USA
    To facilitate meetings between individuals and their elected officials to push back against proposed cuts to NASA science funding in FY 2026; at United States Capitol Building....

    Monday

    — Instituto de Astrofísica de Andalucía, Byurakan Astrophysical Observatory (BAO),
    Byurakan, Armenia
    2nd international conference on astronomy in culture, astrochemistry, astrobiology, astrogeology, archaeoastronomy.

    Tuesday

    — Lunar and Planetary Institute (LPI),
    Houston TX, USA +1 more
    Purpose and Scope This hybrid workshop will feature invited and contributed presentations aimed at studies of returned samples from Bennu (OSIRIS-REx mission) and Ryugu (Hayabusa2 mission), and...
    — Space Frontier Foundation (SFF),
    Online
    What it'll cover: Context of Space Frontier Foundation Policy Work DC Insider Situation Report Moderated Q&A From the SFF Outreach Email: D.C. continues to be our nation’s...

    Wednesday

    — Comet 21P / Giacobini-Zinner,
    Worldwide
    Appearing when Earth passes through the tail of Comet 21P / Giacobini-Zinner, the comet was a perihelion in 2025; speculation has arisen this may be a year...
    — Blue Origin,
    West Texas Suborbital Launch Site / Corn Ranch, Van Horn TX, USA Launch Site One (LSO), Van Horn, TX, United States
    NS-36 is the 15th crewed flight for the New Shepard program. A landing back on the launch pad for the booster will be attempted.
    — Space News,
    Online
    From inflationary pressures and shifting interest rates to supply chain challenges and intensifying great-power competition, today’s macroeconomic and geopolitical forces are reshaping the future of space investment....
    — National Aeronautics and Space Administration (NASA),
    Online
    Presentation by Ann Ollila of Los Alamos National Laboratory: Advancing Spectroscopy Instrumentation for Planetary Exploration from the Subsurface to the Sky. Join here: https://sservi.nasa.gov/casa-moon-seminar-series Hosted by CASA Moon,...

    Thursday

    — Planetary Science Institute,
    Online
    Citizen Scientists can now contribute to mapping areas of the Moon dominated by impact melt deposits in our NASA-funded project. There is no cost to participate: Press...
    — China National Space Administration (CNSA),
    Wenchang Space Launch Center, Hainan Island, China (19° N)
    8A is capable of taking 7,000kg to orbit, including and SSO with altitude 700km, using a liquid oxygen / liquid hydrogen 2nd stage. Wenchang is China's southernmost...

    Friday

    — Midland International Air and Spaceport Business Park and Facilities,
    Midland TX, USA
    At University of Texas Permian Basin (UTPB), College of Engineering Building Speaker sessions, panels, roundtables, debate, networking Subjects: safety, technology, business, infrastructure, legal, legislation Chair: Oscar Garcia,...
    $249

    Saturday

    — European Space Agency (ESA),
    Noordwijk, the Netherlands
    At the European Space Research and Technology Centre (ESTEC), the largest site of the ESA, is a weekend celebration with theme Living in Space that also includes...

    Sunday

    Monday

    — International Astronautical Federation (IAF), SXSW Sydney, Destination NSW, SXSW LLC,
    Sydney, Australia
    IAC Adjacent Event expecting 1,200+ attendees from 40+ countries; 6 tracks: Tech & Innovation, Business & Leadership, Marketing & Media, Future & Sustainability, Culture & Lifestyle and...
    $600 – $1400
    — SpaceX,
    Starbase, 25.9°N, Boca Chica TX, USA
    Hawai'i Time for launch is 13:15. 11th test flight of 2-stage Starship launch vehicle. Super Heavy Booster 15-2 is planned to splash down near the launch site;...

    Tuesday

    — SpaceX,
    SLC-4E, Vandenberg SFB CA, ~35°N, USA
    Taking 21 satellites made by Lockheed Martin, it is one of 6 launches for USSF SDA for worldwide connectivity, which will be via Optical Inter-Satellite Links (OISLs)...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Online
    Presentation by Josh Wimpenny of Los Alamos National Laboratory: Behaviour of moderately volatile elements on the Moon. Join here: https://sservi.nasa.gov/casa-moon-seminar-series Hosted by CASA Moon, SSERVI, Institute of...

    Thursday

    Friday

    — Stanford on the Moon (SOM) Alumni Club,
    Stanford CA, USA
    At Varian Physics Building Room PAB 102-103, during Stanford Reunion Homecoming Weekend.

    Saturday

    Sunday

    — ESA / JAXA,
    Mars Orbit
    European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on atmosphere, deployed Schiaparelli demonstration lander 19 Oct...

    Monday

    — Lunar Surface Innovation Consortium (LSIC), National Aeronautics and Space Administration (NASA), Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    2025 LSIC Fall Meeting to be held 5-6 Nov will focus on mission-driven technology guiding us to the Moon. Through the years, our community has planned and...
    $105
    — Japan Aerospace Exploration Agency (JAXA), National Aeronautics and Space Administration (NASA), European Space Agency (ESA),
    Kyoto, Japan
    To discuss the scientific achievements from the first two years of observations from the JAXA/NASA X-Ray Imaging and Spectroscopy Mission, XRISM. The X-Ray Imaging and Spectroscopy Mission...
    — Gemini Observatory, National Optical-Infrared Astronomy Research Laboratory (NOIRLab), Maunakea Observatories,
    Hawai'i Island HI, USA
    Event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 80 Hawai'i classroom visits.
    — Halley’s Comet,
    Worldwide
    One of 2 showers yearly from Halley’s Comet dust, one dust cloud from Halley's path toward the Sun, and one from its path away. Orionids appear to...

    Tuesday

    — NASA Armstrong Flight Research Center,
    Edwards CA, USA
    RSVP is required by 26 Sep for innovative companies to collaborate on groundbreaking research and development, and for NASA Armstrong Research Center to provide expertise, resources and...
    — Japan Aerospace Exploration Agency (JAXA),
    Tanegashima Space Center, Japan
    Launch of Japan Aerospace Exploration Agency (JAXA) first upgraded HTV cargo vehicle, HTV-X1, to the International Space Station. Hawai'i Time for launch is October 20 at 15:58....

    Wednesday

    — Secure World Foundation (SWF), Centre National D’études Spatiales (CNES), Government of France,
    Paris, France
    At Conference Center Pierre Mendès or online.
    $125 – $450
    — SpaceX,
    SLC-40, Cape Canaveral SFS FL, ~28°N, USA
    2nd of 2 new-generation satellites to replace existing XTAR-EURs, for the country of Spain in collaboration with Hisdesat, ESA, Airbus, Thales Alenia Space, et al. 1st stage,...

    Thursday

    — Jagiellonian University,
    Kraków, Poland
    Objectives and scope of the PSC 2025: Presentation of current achievements in planetary science Development of planetary and space science in Poland and beyond Integration of the...
    — XPrize Foundation,
    Malibu CA, USA
    Meet the teams currently competing for an XPrize and help choose a winner, learn about breakthrough technology and solutions.
    — Earthlight Foundation,
    Austin TX, USA
    Featuring the Space Cowboy Ball; space entrepreneurs, artists, engineers, dreamers, Orson Scott Card, Robert Zubrin, Dylan Taylor, Frank White, et al; at AT&T Conference Center.
    $599 – $799
    — Johns Hopkins University Applied Physics Lab (JHU-APL),
    Online
    Shusaku Kanaya of JAXA will present on the SLIM lander's solar panels, including how they helped the spacecraft operate during multiple lunar day-night cycles. Brian Schratz and...

    Friday

    — National Aeronautics and Space Administration (NASA),
    Mars Orbit
    NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit around a planet other than Earth; launched...

    Saturday

    — American Institute of Aeronautics and Astronautics (AIAA), Federal Business Council,
    Kennedy Space Center Visitor Complex FL, USA
    With keynote speaker Astronaut and Former NASA Administrator Charles Bolden. Selected by NASA as an Astronaut in 1980, Bolden flew four space shuttle missions between 1986 and...
    — SpaceX,
    SLC-40, Cape Canaveral SFS FL, ~28°N, USA
    29 Starlink satellites to LEO for space-based internet 1st stage, called Booster B1077, is scheduled to land on autonomous spaceport drone ship (ASDS) named A Shortfall of...

    Sunday

    — SpaceX,
    SLC-4E, Vandenberg SFB CA, ~35°N, USA
    28 Starlink satellites to LEO for space-based internet. 1st stage B1082 will attempt to land on autonomous spaceport drone ship (ASDS) named Of Course I Still Love...

    Monday

    — Korean Society for Aeronautical and Space Sciences (KSASS),
    Seoul, South Korea
    Organized Sessions Aerospace Propulsion Low-Carbon Aviation Futures: Innovations in Dynamics, Control, and Optimization Fuel and combustion technology for propulsion Smart Structures Aerodynamics and Multidisciplinary Optimization of Low-Altitude...

    Tuesday

    — Cross U Open Innovation Platform for the Space Business,
    Tokyo, Japan
    Described as largest space business event in Asia, 8,000+ participants, 90+ exhibitors and 150+ speakers are expected at 28 events, inviting participants to expand their network and...
    — Airbus, Northrop Grumman, others,
    Mountain View CA, USA
    Exploring breakthroughs in satellite tech and market dynamics. At the Computer Science Museum, 1401 Shoreline Blvd, Mountain View CA, and in conjunction with MilSat Symposium on October...
    — United Nations Office of Outer Space Affairs (UNOOSA),
    United Nations Office for Outer Space Affairs coordinates presentations / discussion of Commercial Lunar Operators' Perspectives on the Safety and Sustainability of Lunar Activities; conference includes sessions:...
    — SpaceX,
    SLC-40, Cape Canaveral SFS FL, ~28°N, USA
    29 Starlink satellites to LEO for space-based internet 1st stage, called Booster B1083, is scheduled to land on autonomous spaceport drone ship (ASDS) named Just Read The...

    Wednesday

    — Airbus, Northrop Grumman, others,
    Mountain View CA, USA
    Sharing insights into space defense strategies and government-commercial collaboration. At the Computer Science Museum, 1401 Shoreline Blvd, Mountain View CA, and in conjunction with Satellite Innovation on...
    — National Aeronautics and Space Administration (NASA),
    Online
    Presentation by Lingzhi Sun of University of Hawaii: Remotely exploring the interior of the Moon. Join with link here, scroll to today's seminar: https://sservi.nasa.gov/casa-moon-seminar-series Hosted by CASA...

    Thursday

    — International Lunar Observatory Association (ILOA Hawai'i), Maunakea Visitor Information Station (Onizuka Center for International Astronomy "Hale Pōhaku"),
    Hale Pohaku ~9,200 ft, Mauna Kea HI, USA
    4:30 pm - Guests start driving to Hale Pohaku; 4:45 - 5:45 pm - Lecture; 5:58 pm - Sunset; 6:30 - 8:00 pm - Lunar Viewing Directors...

    Friday

    — China Aerospace Science and Technology Corporation (CASC),
    Jiuquan Space Launch Center, 41°N, Gansu, China
    Shenzhou-21 crew member names likely to be announced the day prior to launch. After Shenzhou-21 three members arrive at Tiangong Space Station on this 10th crewed flight,...
  • Saturday

    — Purdue University,
    Online
    Nominations for individuals or teams to receive the inaugural prize will be accepted beginning in August through Nov 1, 2025; Prize recipients to be announced on or...

    Sunday

    Nationwide USA
    Standard Time (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...

    Monday

    — National Space Society (NSS),
    Orlando FL, USA
    In conjunction with University of Central Florida Inaugural Space Week: November 5-6 — The Economist's 3rd Space Economy Summit; November 7 — UCF 2nd Space Symposium
    $295 – $495
    — European Space Agency (ESA),
    Madrid, Spain
    Features Scott Bolton of SwRI, Haje Korth of JHU, Claire Vallat of ESA, many others; at ESAC.
    — Johns Hopkins University,
    Washington DC, USA
    SpaceNews / Jeff Foust will lead a discussion featuring space industry executives. Speakers include: • John Thornton, CEO, Astrobotic • Marshall Smith, CEO, Starlab Space • Devon...
    Free

    Tuesday

    — Comet Encke (2P),
    Worldwide
    Known for fireballs in a swarm year such as 2025, they will have to compete with a Full Moon Nov 5. Appearing in the Constellation Taurus, they...
    — Asia-Pacific Satellite Communications Council (APSCC),
    Taipei, Taiwan
    "Bringing Together Space" 26th annual APSCC gathering of the Asia-Pacific satellite and space community, particularly professionals to gain market insights, forge partnerships and facilitate business deals. 500+...
    $650 – $1500
    — Arianespace,
    Launch Area 4, Guiana Space Centre, French Guiana
    Advanced radar technology satellite to SSO
    — Space Frontier Foundation (SFF),
    Online
    Space itself is vast, but space in these sessions is limited. RSVP to hold your spot. Thank you in advance for your involvement and support as we...

    Wednesday

    — The Economist,
    Orlando FL, USA
    "Maximising Returns to Earth: The infinite potential of space"; In conjunction with University of Central Florida Inaugural Space Week: November 3-4 — NSS 9th Space Settlement Summit; November...
    Free – $999