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Halley’s Comet
Worldwide

Orionids Meteor Shower Peak

One of 2 showers yearly from Halley’s Comet dust, one dust cloud from Halley's path toward the Sun, and one ...
Gemini Observatory, National Optical-Infrared Astronomy Research Laboratory (NOIRLab), Maunakea Observatories
Hawai'i Island HI, USA

Fall Journey Through the Universe

Event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 80 Hawai'i classroom visits.
SpaceX
SLC-4E, Vandenberg SFB CA, USA United States Space Force Base, Santa Barbara County, CA, United States

Launch Falcon 9 / Starlink Group 11-5

28 Starlink satellites to LEO for space-based internet
SpaceX
SLC-40, Cape Canaveral SFS FL, USA FL

Launch Falcon 9 / Starlink Group 10-21

29 Starlink satellites to LEO for space-based internet 1st stage, called Booster B1077, is scheduled to land on drone ship ...
NASA Armstrong Flight Research Center
Edwards CA, USA

NASA Armstrong Research Center Partnership Days

RSVP is required by 26 Sep for innovative companies to collaborate on groundbreaking research and development, and for NASA Armstrong ...
Japan Aerospace Exploration Agency (JAXA)
Tanegashima Space Center, Japan

Launch H3 / HTV-X1 Cargo Ship to ISS

Launch of Japan Aerospace Exploration Agency (JAXA) first upgraded HTV cargo vehicle, HTV-X1, to the International Space Station. Hawai'i Time ...
Secure World Foundation (SWF), Centre National D’études Spatiales (CNES), Government of France
Paris, France

7th Summit for Space Sustainability

At Conference Center Pierre Mendès or online.
$125 – $450
National Aeronautics and Space Administration (NASA)
Online

Planetary Sample Science Seminar

Presentation by Adrian Brearley of University of New Mexico: Applications of Advanced Scanning Transmission Electron Microscopy Techniques to Understand Processes ...
Earthlight Foundation
Austin TX, USA

New Worlds 2025

Featuring the Space Cowboy Ball; space entrepreneurs, artists, engineers, dreamers, Orson Scott Card, Robert Zubrin, Dylan Taylor, Frank White, et ...
$599 – $799
XPrize Foundation
Malibu CA, USA

XPrize Visioneering

Meet the teams currently competing for an XPrize and help choose a winner, learn about breakthrough technology and solutions.
Jagiellonian University
Kraków, Poland

Planetary Science Conference

Objectives and scope of the PSC 2025: Presentation of current achievements in planetary science Development of planetary and space science ...
National Aeronautics and Space Administration (NASA)
Mars Orbit

Mars Odyssey Marks Another Year in Mars Orbit

NASA spacecraft surpasses another full year in orbit around Mars today, holds record for longest-surviving continually active spacecraft in orbit ...
American Institute of Aeronautics and Astronautics (AIAA), Federal Business Council
Kennedy Space Center Visitor Complex FL, USA

SmallSat Education Conference

With keynote speaker Charles Bolden.
Cross U Open Innovation Platform for the Space Business
Tokyo, Japan

Nihonbashi Space Week 2025

Described as largest space business event in Asia, 8,000+ participants, 90+ exhibitors and 150+ speakers are expected at 28 events, ...
Airbus, Northrop Grumman, others
Mountain View CA, USA

Silicon Valley Space Week: Satellite Innovation

Exploring breakthroughs in satellite tech and market dynamics. At the Computer Science Museum, 1401 Shoreline Blvd, Mountain View CA, and ...
Airbus, Northrop Grumman, others
Mountain View CA, USA

Silicon Valley Space Week: MilSat Symposium

Sharing insights into space defense strategies and government-commercial collaboration. At the Computer Science Museum, 1401 Shoreline Blvd, Mountain View CA, ...
National Aeronautics and Space Administration (NASA)
Online

Planetary Sample Science Seminar

Presentation by Lingzhi Sun of University of Hawaii: Remotely exploring the interior of the Moon. Join here: https://sservi.nasa.gov/casa-moon-seminar-series Hosted by ...
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

Maunakea Moon Mountain Observing

4:30 pm - Guests start driving to HP 4:45 - 5:45 pm - Lecture 5:58 pm - Sunset 6:30 - ...
Astronaut Scholarship Foundation (ASF)

Astronaut Scholarship Foundation Fall Auction

Online auction to raise funds for scholarships, of items such as mementos from NASA Astronauts. Charity Navigator gives Astronaut Scholarship ...

National Space Society (NSS), University of Central Florida, The Economist
Orlando FL, USA

National Space Society Space Settlement Summit

In conjunction with: November 5-6 — Space Economy Summit November 7 — Space Day
European Space Agency (ESA)
Madrid, Spain

Jovian Icy Moons Workshop

Features Scott Bolton of SwRI, Haje Korth of JHU, Claire Vallat of ESA, many others; at ESAC.
Comet Encke (2P)
Worldwide

Southern Taurids Meteor Shower Peak

Known for fireballs in a swarm year such as 2025, they will have to compete with a Full Moon Nov ...
National Aeronautics and Space Administration (NASA), Lunar Surface Innovation Consortium (LSIC), Johns Hopkins University Applied Physics Lab (JHU-APL)
Atlanta GA, USA

2025 Lunar Surface Innovation Consortium (LSIC) Fall Meeting

2025 LSIC Fall Meeting will focus on mission-driven technology guiding us to the Moon. Through the years, our community has ...
Free – $105
The Economist, University of Central Florida, others
Orlando FL, USA

3rd Annual Space Economy Summit

In conjunction with: November 3-4 — NSS Space Settlement Summit November 7 — Space Day
National Aeronautics and Space Administration (NASA)
Online

Planetary Sample Science Seminar

Presentation by Thomas Kruijer of Lawrence Livermore National Laboratory and Katie Goss of University of New Mexico: Interpreting lunar zircon ...
Academy for the Relentless Exploration of Space (ARES)
El Paso TX, USA

Earth and Space Experience for Educators

Featuring astrogeology, Spaceport America tour, et al with Kirby Runyon and Mark Wagner.
National Aeronautics and Space Administration (NASA)
Online

Planetary Sample Science Seminar

Presentation by Mousumi Roy of University of New Mexico: Diffusion / Exchange Driven Equilibration During Melt-Wallrock Interaction on the Moon. ...
Maryland Space Business Roundtable (MSBR)
Martin's Crosswinds 7400 Greenway Center Drive, Greenbelt, MD, United States

Maryland Space Business Roundtable Luncheon

Luncheon Speaker / Topic TBA
National Aeronautics and Space Administration (NASA)
Nationwide USA

Artemis 1, 2nd Observation of Mission

As USA and its international partners work toward Artemis 2 crewed mission around the Moon, Space Launch System and Artemis ...
Dubai Airshow, United Arab Emirates Space Agency (UAESA), Airbus
Dubai, United Arab Emirates

Dubai Airshow 2025

“Space” is one of 9 conference tracks. One speaker is Andreas Heitmann, Program Director, SpaceFounders, a space-tech accelerator, supporting 70+ ...
National Aeronautics and Space Administration (NASA)
Online

Planetary Sample Science Seminar

Presentation by Scott Eckley of NASA Johnson Space Center: Utilization of X-ray computed tomography during the preliminary examination of unopened ...
China National Space Administration (CNSA)
China (Zhongguo)

Shenzhou-1, 26th Observation

As China and international partners plan permanently occupied International Lunar Research Station and next-gen rockets for Solar System Complete exploration, ...
National Aeronautics and Space Administration (NASA)
Low Earth Orbit (LEO)

Swift Spacecraft Marks Another Year in Space

Observing gamma-ray bursts & their afterglows in gamma-ray, X-ray, ultraviolet, optical wavelengths from LEO, multiwavelength craft surpasses another year of ...
Institute of Geology and Geophysics at Chinese Society of Astronautics (CSA), Department of Earth and Planetary Sciences at the University of Hong Kong
Hong Kong, China

International Lunar Sample Research Symposium 2025

Announcement International Lunar Sample Research Symposium 2025 (http://www.ilsrs.org)  After decades of lunar exploration since the Apollo era, lunar samples have ...
Space Faculty, World Robot Olympiad, Aramco
Marina Bay Sands / Sands Expo and Convention Centre , Singapore

Expand Space: A deep tech playground to spark your passion to profession

Introducing youth to artificial intelligence, virtual reality, space, robotics. Includes WRO 2025: International Final events; follows regional robot competitions worldwide, ...
Roscosmos State Corporation
Baikonur Cosmodrome, Kazakhstan

Launch Soyuz 2.1a / Progress MS-28

Will take crew to the International Space Station: cosmonauts Commander Sergey Kud-Sverchkov, Sergey Mikayev and Oleg Platonov, and NASA Astronaut Christopher ...
Korea AeroSpace Administration (KASA)
Naro Space Center, 34.43°N, Goheung, Korea

Launch Nuri / CAS500-3

Earth observation satellites to SSO. Hawai'i Time for launch is Nov 26 at 05:54-06:14.

China National Space Administration (CNSA)
Statio Tianchuan, 43° N 51.9° W, Moon Surface

Chang’E-5 Marks Another Year on Moon

China National Space Administration (CNSA) Chang'E-5 lander at Statio Tianchuan "ship sailing in the Milky Way", Mons Rümker, Oceanus Procellarum, ...
American Institute of Aeronautics and Astronautics (AIAA)
Sydney, Australia

AIAA 2025 Region VII Student Conference

Conference intended for AIAA Region VII Students from around the world except Canada and Mexico, which have been incorporated into ...
Japan Aerospace Exploration Agency (JAXA)
Asteroid 98943 Torifune Trajectory

Hayabusa 2 Marks Another Year in Space

Japan Aerospace Exploration Agency (JAXA) Hayabusa surpasses another full year in space today; launched Dec 3, 2014, returned samples to ...
National Aeronautics and Space Administration (NASA)
Online

Planetary Sample Science Seminar

Presentation by William Bottke of Southwest Research Institute - Boulder: New Views on Terrestrial Planet Formation and Early Lunar Bombardment. ...
European Space Agency (ESA)
Low Earth Orbit (LEO)

XMM-Newton Marks Another Year in Space

European Space Agency (ESA) craft in Very Eccentric Elliptical LEO studying X-ray emissions, star-forming regions, galaxy clusters, environment of supermassive black ...
American Astronautical Society (AAS), American Institute of Aeronautics and Astronautics (AIAA)
College Station TX, USA

Daniele Mortari Astronautics Symposium

In cooperation with the American Astronautical Society (AAS) and the American Institute of Aeronautics and Astronautics (AIAA), and sponsored by: ...
$40
China National Space Administration (CNSA)
Guang Han Gong, 44.12°N 19.51°W, Moon Surface

Chang’E-3 Lander Marks Another Year on Moon

China National Space Administration (CNSA) spacecraft at Guang Han Gong "Moon Palace", Sinus Iridum / Mare Imbrium, 44.12°N 19.51°W, surpasses ...
National Aeronautics and Space Administration (NASA)
Low Earth Orbit (LEO)

WISE / NEOWISE Marks Another Year in Space

NASA Wide-field Infrared Survey Explorer spacecraft (redubbed Near-Earth Object WISE – NEOWISE) surpasses another full year in space today; launched ...
Roscosmos State Corporation
Baikonur Cosmodrome, Kazakhstan

Launch Soyuz 2.1a / Progress MS-33 (94P)

Resupply mission to the International Space Station from spaceport operated by Russia within Kazakhstan.
European Space Agency (ESA)
Sun-Earth L2 Lagrange point

Gaia Spacecraft Marks Another Year in Space

ESA spacecraft surpasses another full year in space today; now in extended mission phase working to map more than 1 ...
Space Center Houston
Houston TX, USA

Family Overnight

Tent-camp by Falcon 9 rocket or Independence shuttle replica, and STEM activities.
$80
National Aeronautics and Space Administration (NASA), European Space Agency (ESA), Canadian Space Agency (CSA-ASC)
Sun-Earth L2 Lagrange point

James Webb Space Telescope Marks Another Year in Space

NASA (STSci) / ESA / CSA infrared astronomy telescope surpasses next full year in space since launching on this day ...
National Aeronautics and Space Administration (NASA)
Mars Orbit

Mars Express Marks Another Year in Mars Orbit

ESA spacecraft surpasses next full year in Mars orbit today; will continue to study Mars atmosphere & climate, planet structure, ...

China National Space Administration (CNSA)
Wenchang Space Launch Center, Hainan Island, China (19° N)

NET 2026 – Launch Long March 10A / First Test Flight

Launch Long March 10A / First Test Flight: First flight of China Long March 10A rocket, precursor to Long March 10 ...
Indian Space Research Organisation (ISRO)
Satish Dhawan Space Center, Sriharikota, India

NET 2026 – Launch Soorya / Gaganyaan G2

Launch Soorya / Gaganyaan G2: India planning for 1st crewed flight of Gaganyaan to LEO ~400 km.
Rocket Lab
Launch Complex 1, Mahia Peninsula, New Zealand

NET 2026 — Launch Electron / Venus probe 

NET 2026 — Launch Electron / Venus probe: Independent mission to Venus developed by Rocket Lab and MIT to send tiny ...
Japan Aerospace Exploration Agency (JAXA)
Tanegashima Space Center, Japan

NET 2026 — Launch Martian Moons eXploration (MMX)

NET 2026 — Launch Martian Moons eXploration (MMX): Japan planning to launch its first Mars mission consisting of sample return ...
United Launch Alliance (ULA)
SLC-41, Cape Canaveral SFS FL, USA

NET 2026 — Launch Atlas V / Starliner

NET 2026 — Launch Atlas V / Starliner: Next launch of Starliner crew vehicle set to occur "early 2026", unknown ...
Asteroid 2003 EH
Worldwide

Quadrantids Meteor Shower Peak

The Quadrantid shower is known for its brief, intense peak, lasting only a few hours. Appearing to radiate from Constellation ...
American Astronomical Society (AAS)
Phoenix Convention Center Phoenix, AZ, United States

247th Meeting of the AAS

The 247th AAS meeting (joint with the High Energy Astrophysics and Historical Astronomy Divisions) will be held 4-8 January in ...
University of Hong Kong Laboratory for Space Research (HKU-LSR), National Astronomical Observatories of the Chinese Academy of Sciences (NAOC-CAS), Chilean Astronomical Society
Hong Kong, China

7th China-Chile Bilateral Astronomy Conference (CCBC2026)

The 7th China-Chile Bilateral Astronomy Conference for 2026 will be organized by the Laboratory for Space Research, FoS, the University ...
American Institute of Aeronautics and Astronautics (AIAA)
Hyatt Regency Orlando Orlando, FL, United States

AIAA SciTech Forum

AIAA SciTech Forum—the premier aerospace R&D event of the year exploring the science, technologies, and capabilities that are transforming aerospace.
Nichelle Nichols Foundation
Huntsville AL, USA

Nichelle Nichols Space Camp

Offering space, aviation and robotics program for girls ages 14-18, inspiring young women to aim for the stars.
Society of Photo-Optical Instrumentation Engineers (SPIE)
San Francisco CA, USA

SPIE Photonics West Conference

SPIE Photonics West and subconference on Optical Power Delivery, key to development of Space Solar Power.
Astronaut Scholarship Foundation (ASF)
West Palm Beach FL, USA

Celebrate STS-1 & STS-135 with Bob Crippen and Chris Ferguson

NASA Astronauts Bob Crippen and Chris Ferguson will share personal highlights, stories and special moments of these historic flights, 45 ...
$1,000
National Aeronautics and Space Administration (NASA)
Nationwide USA

Apollo 1, 59th Observation

Increasing space awareness and education, remembrances and events honor three Apollo 1 crew members lost in 1967 during a launch ...
National Aeronautics and Space Administration (NASA)
Nationwide USA

Challenger STS-51L, 40th Observation

Educational and ceremonial events held worldwide to advance space technology / education and honor 7 crew members killed in Shuttle ...
National Aeronautics and Space Administration (NASA)
Nationwide USA

Explorer 1, 68th Observation

American Artemis Return to the Moon For Good is underway, Mars attention and planning advancing, Outer Solar System search for ...

National Aeronautics and Space Administration (NASA)
SLC-39B, Kennedy Space Center FL, USA

NET Feb — Launch SLS / Orion / Artemis 2

Planned 1st fully-crewed Orion Moon flight to last 10-14 days with 3 USA and 1 Canada Astronaut: Commander Reid Wiseman, ...
National Aeronautics and Space Administration (NASA)
Nationwide USA

Columbia STS-107, 23rd Observation

Annual international conferences and events take place to further space exploration efforts in remembrance of Columbia 7 loss: Commander Richard ...
Office for Space Technology & Industry Singapore (OSTIn), Singapore Economic Development Board (EDB Singapore)
Marina Bay Sands / Sands Expo and Convention Centre , Singapore

Singapore Space Summit 2026

Space Summit 2026 is a space-focused conference with a boutique exhibition, highlighting trends, challenges and opportunities in the global space ...
International Association of Geomorphologists, ANZGG, University of Canterbury
Christchurch, New Zealand

11th IAG International Conference on Geomorphology

Includes track on planetary geomorphology for all Solar System bodies and exoplanets
Gemini Observatory, National Optical-Infrared Astronomy Research Laboratory (NOIRLab), Maunakea Observatories
Statewide Hawai’i, USA

Journey Through the Universe

Annual event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 200+ Hawai'i classroom visits, ...
Civial Aviation Authority of Singapore (CAAS), Changi Airport Group, Singapore Exhibition and Convention Bureau
Changi Exhibition Centre 9 Aviation Park Rd, Singapore, Singapore

2026 Singapore Airshow (10th Edition)

Singapore Airshow is one of the world’s most influential international aerospace and defence exhibitions, providing a platform for stakeholders to ...
Lunar Calendar
China (Zhongguo) / Worldwide

Lunar New Year

Lunar New Year 2026 Spring Festival marks the Year of the Horse.
International Academy of Astronautics (IAA), University of Texas at Austin (UT), Strauss Center for International Security and Law

12th Annual Space Traffic Conference: Operational Assurance for All

Sponsored by the Space Security, Safety, and Sustainability (SSSS) Program at The University of Texas at Austin’s (UT) Strauss Center for International ...

Lunar and Planetary Institute (LPI), Universities Space Research Association (USRA)
The Woodlands TX, USA

57th Lunar and Planetary Science Conference

Expecting 2,000+ for the latest science, research, discoveries; at Waterway Marriott and online
$400 – $700

National Aeronautics and Space Administration (NASA)
Nationwide USA

45th Observation of STS-1 Columbia Flight

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 ...
Hawai'i, USA
Statewide Hawai’i, USA

Pōwehi Day

Recognized proclamation to celebrate the first-ever imaged black hole M87* by Event Horizon Telescope collaboration involving Mauna Kea Observatories, given the Hawaiian ...
Yuri's Night
Worldwide

Yuri’s Night Celebrations

Launching parties around the world every year on or around April 12th, in commemoration of Yuri Gagarin becoming the first ...
American Society of Civil Engineers (ASCE), Texas A&M University
College Station TX, USA

ASCE Earth & Space 2026 Conference

20th International Conference on Engineering, Science, Construction and Operations in Challenging Environments: ASCE Earth & Space 2026
Comet C/1861 G1 (Thatcher)
Worldwide

Lyrids Meteor Shower Peak

Best seen from Northern Hemisphere, with a lower hourly rate in the Southern Hemisphere, Lyrids seem to stream from the ...
National Aeronautics and Space Administration (NASA)
Low Earth Orbit (LEO)

Hubble Space Telescope Marks Another Year in Space

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

National Day of Space Flight

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

International Space Day
Worldwide

International Space Day

First Friday in May, events and presentations to promote STEM education and inspire people to continue the work of Space ...
International Astronomical Union (IAU)
Hong Kong, China

Asia-Pacific Regional IAU Meeting (APRIM 2026)

The Asia Pacific Regional International Astronomical Union (IAU) Meeting is a highly anticipated gathering that convenes astronomers, researchers, and enthusiasts ...
American Institute of Aeronautics and Astronautics (AIAA), Commercial Space Federation (CSF), Space Force Association, Space Generation Advisory Council (SGAC), Lockheed Martin, ISS National Laboratory
Washington DC, USA

2026 ASCEND Conference

Accelerating Space Commerce, Exploration, and New Discovery
USA Congress
Nationwide USA

John F. Kennedy 1st Moon Speech

NASA Artemis program to land 1st Woman and Person of Color on Moon is well underway as today is recognized ...
von Karman Institute for Fluid Dynamics
Brussels, Belgium

32nd AIAA / CEAS Aeroacoustics Conference 2026

Organized by the von Karman Institute for Fluid Dynamics, the 32nd AIAA/CEAS Aeroacoustics Conference (Aeroacoustics 2026) is the premier international ...
€475

South African Radio Astronomy Observatory (SARAO), ZA Space, GMN Fairs, Hauweng, Advanced Business Events
Pretoria, South Africa

International Space Summit Africa

Expecting 300 exhibitors, 500 companies, 25 countries, 3,000 B2B (business to business) meetings
Lunar Calendar
Worldwide

Islamic New Year 1448 AH

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

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