• Tuesday

    — National Aeronautics and Space Administration (NASA),
    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,...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    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....

    Saturday

    — National Aeronautics and Space Administration (NASA),
    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...
  • Sunday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss: Commander Richard D. Husband, Mission Specialist Laurel Clark, Payload...
    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 5 full years / begins 6th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...

    Monday

    — United Arab Emirates Space Agency (UAESA),
    Mars Orbit
    UAE Hope Orbiter, studying Mars atmosphere and climate, reaches 5 full years / enters 6th year in Mars orbit today; launched July 19, 2020 on JAXA H2A...

    Tuesday

    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2026 Spring Festival marks the Year of the Horse.

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater on this day in 2021; it carried...

    Sunday

  • Wednesday

    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    Commemorations occur today in honor of 1st ever NASA Space Shuttle Columbia carrying John Young and pilot Robert Crippen around Earth on 54.5-hour mission in 1981.

    Friday

    — Hawai'i, USA,
    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...

    Sunday

    Saturday

    Friday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
  • Thursday

    — China National Space Administration (CNSA),
    Utopia Planitia, 25.1°N 109.9°E, Mars Surface
    Tianwen-1 Lander and Zhurong Rover celebrated today for China's first successful landing on Mars; craft landed on this day in 2021 in Utopia Planitia, Mars Surface.

    Thursday

    — China National Space Administration (CNSA),
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 8 full years / enters 9th year in space today, launched 2018 to provide far side communications to Earth from...

    Monday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...
  • Monday

    — China National Space Administration (CNSA),
    Apollo Basin, 153.99° W 41.63° S, Moon Surface
    Chang'E-6 mission is commemorated, having landed on this day in 2024, and returning the first-ever samples from the lunar farside to Earth.

    Friday

    Saturday

    Tuesday

    — Lunar Calendar,
    Worldwide
    New Year 1 Muharram (1st day) to begin at sunset on Jun 16; if young New Moon is not visible the beginning of the month and year...

    Tuesday

    Saturday

  • Sunday

    — Space Age Publishing Company (SPC),
    Global / Inter-Global
    Jul 5 — Space Age Publishing Company (SPC), Global / Inter-Global: SPC, publisher of Space Calendar and Lunar Enterprise Daily, observes 50 years since inception and looks towards the next 50 years of...

    Friday

    Monday

    — National Aeronautics and Space Administration (NASA),
    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;...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 50 years ago; originally scheduled for July 4, landing was delayed until this...
    — Moon Village Association (MVA),
    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...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 27th full year / begins 28th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Wednesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    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...

    Thursday

    — Indian Space Research Organisation (ISRO),
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

    Sunday

    — Indian Space Research Organisation (ISRO),
    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...

    Sunday

    — National Aeronautics and Space Administration (NASA),
    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.
  • Sunday

    Monday

    Saturday

    Monday

    — 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.
  • Thursday

    Sunday

    — 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...

    Wednesday

    Saturday

    Monday

    — National Aeronautics and Space Administration (NASA), Roscosmos State Corporation,
    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...

    Tuesday

    Saturday

    — 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...

    Monday

  • Monday

    Friday

    Friday

    — National Aeronautics and Space Administration (NASA),
    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.
  • Tuesday

    — China National Space Administration (CNSA),
    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...

    Wednesday

    — European Space Agency (ESA), National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Thursday

    — Japan Aerospace Exploration Agency (JAXA),
    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...

    Thursday

    — European Space Agency (ESA),
    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...

    Monday

    — China National Space Administration (CNSA),
    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...
    — National Aeronautics and Space Administration (NASA),
    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...

    Wednesday

    Saturday

    — European Space Agency (ESA),
    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.

    Friday

    — National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC),
    Sun-Earth L2 Lagrange point
    NASA (STSci) / ESA / CSA-ASC infrared astronomy telescope surpasses next full year in space since launching on this day via Ariane 5 ECA rocket in 2021.
    — National Aeronautics and Space Administration (NASA),
    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...
  • Sunday

    Tuesday

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    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,...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    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....

    Sunday

    — National Aeronautics and Space Administration (NASA),
    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...
  • Monday

    — National Aeronautics and Space Administration (NASA),
    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...
    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 6 full years / begins 7th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...

    Saturday

    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2027 Spring Festival marks the Year of the Goat.

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Mars Surface
    Mars 2020 Perseverance Rover reaches 5 full years / enters 6th year on Mars surface having landed in Jezero Crater on this day in 2021; it carried...

    Monday

    — Intuitive Machines (IM),
    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...
  • Saturday

    — Hawai'i, USA,
    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...

    Monday

    Sunday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 38th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
  • Friday

    — China National Space Administration (CNSA),
    Earth-Moon L2 Lagrange point
    China Queqiao “bridge of magpies” satellite reaches 9 full years / enters 10th year in space today, launched 2018 to provide far side communications to Earth from...

    Tuesday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...
  • Saturday

    Sunday

    — Lunar Calendar,
    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...

    Sunday

    Wednesday

    Sunday

  • Saturday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    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...
    — Moon Village Association (MVA),
    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...
    — National Aeronautics and Space Administration (NASA),
    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;...

    Friday

    — National Aeronautics and Space Administration (NASA),
    High Earth Orbit (HEO)
    NASA spacecraft in extended mission phase reaches 28th full year / begins 29th year of operations in space; instruments able to detect X-ray sources 100 times fainter...
  • Thursday

    — National Aeronautics and Space Administration (NASA),
    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...

    Friday

    — Indian Space Research Organisation (ISRO),
    Moon Orbit
    India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover were unsuccessful in lunar landing.

    Monday

    — Indian Space Research Organisation (ISRO),
    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...

    Monday

    — National Aeronautics and Space Administration (NASA),
    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.
  • Monday

    Tuesday

    Sunday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening...

    Tuesday

    — 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.
  • Friday

    Monday

    — 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...

    Thursday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    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.

    Sunday

    Tuesday

    — European Space Agency (ESA), Roscosmos State Corporation,
    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...

    Wednesday

    Sunday

    — 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...

    Tuesday

  • Tuesday

    Saturday

    Saturday

    — National Aeronautics and Space Administration (NASA),
    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.
  • Wednesday

    — China National Space Administration (CNSA),
    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...

    Thursday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    European Space Agency (ESA) / National Aeronautics and Space Administration (NASA) craft studying sun, surpasses another full year of operations in space today, launched 1995; discovered more...

    Friday

    — Japan Aerospace Exploration Agency (JAXA),
    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...

    Friday

    — European Space Agency (ESA),
    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...

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    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...
    — China National Space Administration (CNSA),
    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...

    Thursday

    Sunday

    — European Space Agency (ESA),
    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.

    Saturday

    — European Space Agency (ESA),
    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...
  • Wednesday

    — Lunar Calendar,
    China (Zhongguo) / Worldwide
    Lunar New Year 2028 Spring Festival marks the Year of the Monkey.

    Thursday

    — National Aeronautics and Space Administration (NASA),
    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,...

    Friday

    — National Aeronautics and Space Administration (NASA),
    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....

    Monday

    — National Aeronautics and Space Administration (NASA),
    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...
  • Tuesday

    — China National Space Administration (CNSA),
    Mars Orbit
    China Tianwen-1 orbiter reaches 7 full years / begins 8th year of operations in Mars orbit; Lander & Rover touched down ~3 months after this date at...
    — National Aeronautics and Space Administration (NASA),
    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...

    Tuesday

    — Intuitive Machines (IM),
    Near Malapert A Crater, 80.13° S 1.44°E, Moon Surface
    Fourth 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...
  • Monday

    — Hawai'i, USA,
    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...

    Wednesday

    Monday

    — National Aeronautics and Space Administration (NASA),
    Low Earth Orbit (LEO)
    NASA spacecraft with 2.4-meter diameter main telescope begins 39th year in space today, launched Apr 24, 1990; could continue operations until 2040s.
    — China National Space Administration (CNSA),
    China (Zhongguo)
    Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.
  • Thursday

    — USA Congress,
    Nationwide USA
    NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized for Kennedy declaring to congress “I believe that...
  • Monday

    Friday

    Tuesday

  • Monday

    Thursday

    — National Aeronautics and Space Administration (NASA),
    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;...
    — Moon Village Association (MVA),
    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...
    — National Aeronautics and Space Administration (NASA),
    Nationwide USA
    First USA spacecraft to successfully land on another planet commemorated today for its accomplishment 52 years ago; originally scheduled for July 4, landing was delayed until this...
  • Saturday

    — National Aeronautics and Space Administration (NASA),
    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...

    Wednesday

    — Indian Space Research Organisation (ISRO),
    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...

    Wednesday

    — National Aeronautics and Space Administration (NASA),
    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.
  • Wednesday

    Thursday

    Tuesday

    — National Aeronautics and Space Administration (NASA),
    Worldwide
    Observed today is 1st planetary defense / asteroid deflection test success: NASA DART crashed into minor-planet moon Dimorphos of asteroid Didymos on this day in 2022, shortening...

    Thursday

    — 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.
  • Sunday

    Wednesday

    — 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...

    Tuesday

    Thursday

    — European Space Agency (ESA), Roscosmos State Corporation,
    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...