K-12 Astronomy Education Conference (K-12 Astro Asia 2025)

Princess Sirindhorn AstroPark Chiang Mai, Thailand
Organizer: National Astronomical Research Institute of Thailand (NARIT)

Education conference for teachers of astronomy, a separate subject in the mandatory curriculum of Thai schools.

LSIC Maintenance and Repair for Sustainable Lunar Surface Infrastructure Workshop

Online
Organizer: Johns Hopkins University Applied Physics Lab (JHU-APL)

The Lunar Maintenance and Repair Workshop aims to explore the critical role of maintenance and repair (M&R) in sustaining lunar infrastructure, such as lunar lander and rovers, while drawing lessons from extreme terrestrial environments. The workshop will cover various M&R technologies, the design of maintainable systems, logistics and actionable practices […]

8th Annual EMER-GEN® Program

Maui HI, USA
Organizer: Space Generation Advisory Council (SGAC)

Mentoring and networking on space careers for young professionals and students.

$345 – $445

Mercury Laboratory Workshop 2025

Helsinki, Finland
Organizer: European Space Agency (ESA)

2nd gathering to foster collaboration on study of the planet.

Binary Asteroids Meeting VI

Observatoire de la Côte D’Azur Nice, France
Organizer: Nice Observatory

Discussing binary and multiple systems among the NEO, Hungaria, main-belt, Trojan, Centaur and TNO populations.

World Space Business Week

Paris, France
Organizer: Novaspace

Expecting 1400+ from 60+ countries; includes Space Innovation Summit on Sep 17; at Hôtel du Collectionneur or online.

€660 – €3600

ExMAG Fall 2025 Meeting

Houston TX, USA
Organizer: Lunar and Planetary Institute (LPI)

Discussion of NASA extraterrestrial materials collections, including samples collected by Mars 2020, presentations on geological context and specific science hypotheses testable on these samples. Also, updates from NASA HQ, reports on the collections, sample return activities in progress and planned, advanced curation methods, NASA funding / facilities and data archiving.  […]

“Save NASA” at NASA Headquarters in Washington DC, 300 E St SW, Mary W Jackson Building

Washington DC, USA
Organizer: National Space Society (NSS)

Expected speakers include: Rep. Suhas Subramanyam, VA-10 – House Cmte on Space, Science, and Technology Monica Gorman, Area Vice President, Goddard Engineers, Scientists and Technicians Association (GESTA) – Union representing Goddard technical civil servants Colette Delwalla, Executive Director, Stand Up For Science Dr. Mollie Manier, National Institutes of Health, signer […]

11th GEGSLA operational meeting

Online / Vienna, Austria
Organizer: Moon Village Association (MVA)

To highlight importance of international cooperation for sustainable utilization of lunar resources; contact gegsla@moonvillageassociation.org.

Juno Perijove 76 / 75th Science Flyby

Jupiter Orbit
Organizer: National Aeronautics and Space Administration (NASA)

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 flyby of planet before controlled impact into Jupiter clouds.

Launch Falcon 9 / Starlink Group 17-12

SLC-4E, Vandenberg SFB CA, USA United States Space Force Base, Santa Barbara County, CA, United States
Organizer: SpaceX

Satellites for space-based Internet service

Launch Falcon 9 / Starlink Group 10-61

SLC-40, Cape Canaveral SFS FL, USA Cape Canaveral Space Force Station, Brevard County, FL, United States
Organizer: SpaceX

Satellites for space-based Internet service

Webinar: Shortfalls of Food Production in Space and Future Needs

Online
Organizer: Beyond Earth Institute

Join the Beyond Earth Institute for a conversation about the critical challenge of food production in space. This webinar will examine the current gaps in space-based food systems, the specific needs of planned missions, and how these fit into the broader Moon to Mars Strategy. We’ll explore: What food production systems […]

Former NASA Astronaut Jose Hernandez Speaks at University of North Dakota

Grand Forks ND, USA
Organizer: University of North Dakota (UND)

Jose Hernandez, a former NASA astronaut with an extraordinary, only-in-America story, will visit UND on Wednesday, Sept. 17. The campus community is invited to join him for a guided conversation that afternoon as part of the Hilyard Center’s celebration of Hispanic Heritage Month. Hernandez will be at the Memorial Union […]

Launch New Shepard / NS-35

West Texas Suborbital Launch Site / Corn Ranch, Van Horn TX, USA Launch Site One (LSO), Van Horn, TX, United States
Organizer: Blue Origin

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 experiments from NASA’s TechRise Student Challenge and payloads for JHU-APL, Oklahoma State U, U of Florida, Carthage College, U of Central Florida, Teledyne, […]

Navigating the New Space Policy Landscape: What the Latest Executive Order Means for Your Business

Online
Organizer: Beyond Earth Institute

"Enabling Competition in the Commercial Space Industry" and the CLD Directive are more than policy updates—they're potential game-changers for how business gets done in low Earth orbit. But what do they actually mean for companies, investors, and innovators working in this space? Key discussion points will include: How these changes […]

Human Spaceflight Risk Lecture Series Part 5: Dr. Erik Antonsen

Online
Organizer: Organzation for Space Medicine, Engineering and Design (OSMED)

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

Launch Falcon 9 / Starlink Group 10-27

SLC-40, Cape Canaveral SFS FL, USA Cape Canaveral Space Force Station, Brevard County, FL, United States
Organizer: SpaceX

Satellites for space-based Internet service

NASA Selects 2025 Astronaut Candidates

Online / Washington DC, USA
Organizer: National Aeronautics and Space Administration (NASA)

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 II Moon Mission, 12:30 EDT.

September Equinox

Worldwide
Organizer: Sun-Earth

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 HST).

42nd International Communications Satellite Systems Conference (ICSSC) and its Colloquium

Barcelona, Spain
Organizer: American Institute of Aeronautics and Astronautics (AIAA)

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 Autonomous University of Barcelona). The conference will bring together researchers, engineers, and experts in academia, industry, space agencies, and regulatory organizations around the […]

NASA news conference on the Artemis II Moon mission

Online
Organizer: National Aeronautics and Space Administration (NASA)

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 no later than April 2026. The test flight, a launch of the SLS (Space Launch System) rocket and Orion spacecraft, will send NASA […]

Space Generation Congress 2025

Sydney, Australia
Organizer: Space Generation Advisory Council (SGAC)

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 same hosting country. Every year, the SGC event receives about 150 outstanding students and young professionals who share a passion for space. Through […]

Surface Power Workshop: Lunar Power Applications at Various Scales

Online
Organizer: Lunar Surface Innovation Consortium (LSIC)

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 Applications at Varying Scales". Participants will examine applications on the lunar surface for power at low (~1 kW), medium (10s kW), and high […]

Free

Live Chat with Veteran NASA Astronaut Leland Melvin

Online
Organizer: Astronaut Scholarship Foundation (ASF)

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 their educators/parents/guardians. This Live Chat series is presented in the memory of Scott Carpenter, one of the original Mercury Seven Astronauts and a […]

Free

AIAA SF Tech Talk: Performance Analysis and Data Processing for the Mars Sample Recovery Helicopter in the Jet Propulsion Laboratory 25-ft Space Simulator

Mountain View CA, USA
Organizer: American Institute of Aeronautics and Astronautics (AIAA)

On April 19, 2021, Ingenuity became the first helicopter to fly on Mars at Jezero Crater, completing a total of 72 flights by the end of its mission. The success of Ingenuity resulted in various research efforts to further explore Mars via vertical flight, including two optimized Ingenuity-sized helicopters proposed […]

Free

Fall Astronomy Day 2025

Worldwide
Organizer: The Astronomical League

Astronomical societies, planetariums, museums and observatories sponsor public viewing sessions, presentations and workshops.

2nd Academic Symposium on Chang’E-8 Mission Scientific Exploration and Research

Chengdu, Sichuan Province, China
Organizer: Lunar Exploration and Space Engineering Center of the Chinese Academy of Sciences

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 facilitate the exchange between the payload researchers and scientists. Co-organized by Institute of Optoelectronics and the Chinese Academy of Sciences and its National […]

The QUAD Industry Networking Series

Sydney, Australia
Organizer: Indo-Pacific Space & Earth Network

IAF Adjacent Event; for business discussions re space, technology, etc., followed by Five Nations Partner Forum and Welcome Reception.

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.

Global Spaceport Alliance (GSA) International Spaceport Forum

Sydney, Australia
Organizer: Global Spaceport Alliance (GSA)

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 are proud to present the second GSA International Spaceport Forum—this time in Sydney, Australia, on the eve of the 2025 International Astronautical Congress. The first […]