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Hubble Space Telescope Marks Another Year in Space

Organizer: National Aeronautics and Space Administration (NASA)
NASA spacecraft with 2.4-meter diameter main telescope begins 37th year in space today, launched Apr 24, 1990; could continue operations...

National Day of Space Flight

Organizer: China National Space Administration (CNSA)
Commemorating the launch of China’s first satellite, Dongfanghong-1 on April 24, 1970.

International Space Day

Organizer: International Space Day
First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space...

Asia-Pacific Regional IAU Meeting (APRIM 2026)

Organizer: International Astronomical Union (IAU)
The Asia Pacific Regional International Astronomical Union (IAU) Meeting is a highly anticipated gathering that convenes astronomers, researchers, and enthusiasts...

2026 ASCEND Conference

Organizer: American Institute of Aeronautics and Astronautics (AIAA)
Accelerating Space Commerce, Exploration, and New Discovery

John F. Kennedy 1st Moon Speech

Organizer: USA Congress
NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized...

International Space Summit Africa

Organizer: South African Radio Astronomy Observatory (SARAO)
Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings

Islamic New Year 1448 AH

Organizer: Lunar Calendar
New Year 1 Muharram (1st day) to begin at sunset on Jun 16; if young New Moon is not visible...

NET Jul — Hayabusa 2

Organizer: Japan Aerospace Exploration Agency (JAXA)
Asteroid 98943 Torifune Flyby: JAXA Hayabusa 2 mission to flyby S-type asteroid 98943 Torifune this month and rendezvous with asteroid...

NET Q3 — Launch Long March 5 / Chang’E-7

Organizer: China National Space Administration (CNSA)
CNSA to launch Long March 5 with Chang’E-7 lander from Wenchang Space Launch Center, Hainan Island, China (19° N); CE-7...

Tianwen-2

Organizer: China National Space Administration (CNSA)
Kamo’oalewa (2016 HO3) Rendezvous: China asteroid sample return mission, to arrive at Kamo’oalewa today to collect at least 100 grams...

Space Age Publishing Company (SPC) 50th Observation

Organizer: Space Age Publishing Company (SPC)
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...

Neil Armstrong Space Prizes to be Awarded

Organizer: Purdue University
Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space...

International Moon Day (Annual)

Organizer: Moon Village Association (MVA)
Celebrating the 1st people walking on the Moon / another celestial body – International Moon Day has been a recognized...

Parker Solar Probe Marks Another Year in Space

Organizer: National Aeronautics and Space Administration (NASA)
NASA craft surpasses another full year in space today, having launched Aug 12, 2018; probe  came within ~6.16M km of...

Chandrayaan-2 Marks Another Year in Lunar Orbit

Organizer: Indian Space Research Organisation (ISRO)
India orbiter surpasses another full year in lunar polar orbit since reaching the Moon in 2019; Chandrayaan-2 lander and rover...

40th Annual Small Satellite Conference

Organizer: Small Satellite Conference
~5,000 attendees expected; student discount on registration fee; winners of student competition receive up to US$10,000
$1000

Van Allen Probes Mark Another Year in Space

Organizer: National Aeronautics and Space Administration (NASA)
NASA spacecraft surpasses another full year in space today, launched 2012; adding to the understanding of Earth radiation belt environment...

Astrosat Marks Another Year in Space

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

World Space Week

Worldwide
Organizer: World Space Week Association
Celebrating international contributions of space science for betterment of the human condition; Oct 4 is 68th observation of 1st Space...

International Observe the Moon Night 2026

Worldwide
Organizer: International Observe the Moon Night Organization
For observation, appreciation, understanding of the Moon / its connection to planetary science / exploration; 1st quarter Moon is best...

ExoMars 2016 Orbiter Marks Another Year in Mars Orbit

Mars Orbit
Organizer: National Aeronautics and Space Administration (NASA)
European Space Agency (ESA) and Roscosmos spacecraft surpasses another full year at Mars, launched 2016; craft continues collecting data on...

Mars Odyssey Marks Another Year in Mars Orbit

Mars Orbit
Organizer: National Aeronautics and Space Administration (NASA)
NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit...

Swift Spacecraft Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer: National Aeronautics and Space Administration (NASA)
Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of...