Journey Through the Universe

Organizer: Gemini Observatory

Annual event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 200+ Hawai'i classroom visits, career panels, and community events.

2026 Singapore Airshow (10th Edition)

Organizer: Civial Aviation Authority of Singapore (CAAS)

Singapore Airshow is one of the world’s most influential international aerospace and defence exhibitions, providing a platform for stakeholders to forge strategic alliances and collaborate to shape the future of the global aviation industry. The event offers a unique platform for industry thought leadership through its strategic forums, and co-located […]

Lunar New Year

Organizer:

Lunar New Year 2026 Spring Festival marks the Year of the Horse.

57th Lunar and Planetary Science Conference

Organizer: Lunar and Planetary Institute (LPI)

Expecting 2,000+ for the latest science, research, discoveries; at Waterway Marriott and online

$400 – $700

45th Observation of STS-1 Columbia Flight

Organizer:

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.

Pōwehi Day

Organizer:

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

Organizer: Yuri’s Night

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, […]

ASCE Earth & Space 2026 Conference

Organizer: American Society of Civil Engineers (ASCE)

20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026

International Space Day

Organizer:

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.

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 from countries across the Asia Pacific region. This prestigious event provides a platform for the exchange of cutting-edge research, innovative ideas, and collaborative efforts in the field of astronomy and […]

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:

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 this Nation should commit itself to achieving the goal, before this decade is out, of landing a man on the Moon and returning […]

International Space Summit Africa

Pretoria, South 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

Worldwide
Organizer:

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 may be delayed.

World Astronomy, Astrophysics and Space Science Summit

Rome, Italy
Organizer: Spaceland, Italy

Meeting is dedicated entirely to the latest developments in all Astronomy, Astrophysics and Space Science related themes. The conference will highlight particular areas of promising technological development, and support the unifying themes of all Astronomy, Astrophysics and Space Science. Don't miss the unique workshop, "Shaping Future Eco-Friendly Habitats for Mars […]

NET Jul — Hayabusa 2

Main Asteroid Belt
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 1998 KY26 in 2031, after returning samples from (162173) Ryugu to Earth in 2020.

NET Q3 — Launch Falcon 9 / Intuitive Machines IM-3 Nova-C Lander

SLC-39A, Kennedy Space Center FL, USA
Organizer: SpaceX

NET Q3 — Under US$77.5M NASA CLPS contract, IM 3rd mission using Nova-C, to Reiner Gamma ‘lunar swirl’ 7.5°N, 59.0°W with 4 NASA payloads: Lunar Vertex, CADRE, MoonLIGHT retroreflector, LUSEM; various private payloads.

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

Wenchang Space Launch Center, Hainan Island, China (19° N)
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 planned to land at Moon South Pole to survey environment and resources with Relay Satellite, Orbiter, Lander (Rashid-2 from UAE), Rover, Mini-Flying Probe sometime in November 2026; lander has national […]

Tianwen-2

Near-Earth Object (NEO)
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 via anchoring-drilling, hover-sampling and touch-and-go techniques; planned to depart Apr 24, 2027 and return to Earth Nov 29, 2027.

Space Age Publishing Company (SPC) 50th Observation

Global / Inter-Global
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 looks towards the next 50 years of publishing-broadcasting from Earth, the surface of the Moon, and perhaps far beyond with its affiliated International Lunar Observatory Association and other enterprises.

Neil Armstrong Space Prizes to be Awarded

West Lafayette, Indiana
Organizer: Purdue University

Purdue University will bestow its newest honor – the Neil Armstrong Space Prize – upon those whose contributions to space in the preceding decade are deemed the most consequential for humanity. Prize recipients to be announced on or before July 20, 2026.

Viking 1 Mars Lander 50th Landing Observation Anniversary

Nationwide USA
Organizer: National Aeronautics and Space Administration (NASA)

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 day in 1976 due to rough landing site.

International Moon Day (Annual)

Global / Inter-Global
Organizer: Moon Village Association (MVA)

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.

Parker Solar Probe Marks Another Year in Space

Heliocentric Orbit
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 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.

Chandrayaan-2 Marks Another Year in Lunar Orbit

Moon 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 were unsuccessful in lunar landing.

Chandrayaan-3 Commemorated for Moon Landing (2023)

Statio Shiv Shakti, 69.373°S 32.319°E, Moon Surface
Organizer: Indian Space Research Organisation (ISRO)

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.

40th Annual Small Satellite Conference

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

Low Earth Orbit (LEO)
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 and its variability.

Tentative Term End for Canadian Space Agency President Lisa Campbell

Ottawa, Canada , Canada
Organizer: Canadian Space Agency (CSA-ASC)

Campbell was first appointed in September 2020. She was reappointed for an additional year, 14 Sep 2025 - 14 Sep 2026. It is rare that a President of the Canadian Space Agency serves longer than a one-year term, and Campbell becomes only the third to complete a full five-year term. Past […]

Double Asteroid Redirection Test (DART) Anniversary Observation

Worldwide
Organizer: National Aeronautics and Space Administration (NASA)

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 Dimorphos’ orbital period.

Astrosat Marks Another Year in Space

Low Earth Orbit (LEO)
Organizer:

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 mission Sputnik One launched by Soviet Union 1957; Oct 10 is 58th observation of Outer Space Treaty going into effect 1967.

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 time due to shallow angle of sunlight that illuminates details.