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 […]

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

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.

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 […]

The Solar System in Context

Tucson AZ, USA
Organizer: National Optical-Infrared Astronomy Research Laboratory (NOIRLab)

Main topics include habitability, active asteroids; at University of Arizona.

The Solar System in Context Conference

Tucson AZ, USA
Organizer: National Optical-Infrared Astronomy Research Laboratory (NOIRLab)

The Solar System in Context Toward an interconnected perspective on the formation and evolution of the Solar System, exoplanetary systems, and their stars. Main Topics Disks, Stellar Evolution, Planet-Star Connections, (Exo)Planets, Planetary Demographics, Habitability, Planet Formation, Migration, & Evolution, Rocky Small Bodies, (Exo)Moons, Active Asteroids & (Exo)Comets, Interstellar Objects, Instrumentation & […]

NASA Science Mission Directorate briefing on ROSES-25 A.10 INNOVATE proposal

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

ROSES-25 A.10 INNOVATE Preproposal Conference September 30, at 2 pm Eastern Time. ROSES-2025 A.10 INNOVATE solicits proposals to rapidly advance the use of satellite observations of Earth to efficiently support the U.S. economy, national security, and other applications relevant to NASA's Earth Science to Action Strategy. This opportunity is open to […]

Inventing Tomorrow: Imagining the Space Observatories of the Future

Lawndale CA, USA
Organizer: American Institute of Aeronautics and Astronautics (AIAA) Los Angeles Section

Evening Town Hall meeting of the Los Angeles Section of the American Institute of Aeronautics and Astronautics; with Jonathan Arenberg, Northrop Grumman Fellow and Chief Mission Architect for Science and Robotic Exploration, Fellow of the International Optics and Photonics Society, SPIE, and an Associate Fellow of AIAA; Moderator is Jeff […]

International Observe the Moon Night 2025

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.

SAS Sydney Space Architecture Symposium

Sydney, Australia
Organizer: International Astronautical Federation (IAF)

IAC Adjacent Event; includes live demo of lunar habitat construction; at University of New South Wales Kensington

NASA Space Apps Challenge

Worldwide
Organizer: National Aeronautics and Space Administration (NASA)

48-hour hackathon in French and English for space enthusiasts, programmers, designers, engineers, entrepreneurs and students; 2800+ local events and online

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.

Save NASA Science Action Organized by The Planetary Society

Washington DC, USA
Organizer: The Planetary Society

In response to the unprecedented attack on NASA's science activities in the FY 2026 budget proposal, The Planetary Society and nearly a dozen partner organizations are holding a joint Day of Action on October 5th and 6th in Washington, D.C.

Robopalooza Australia 2025 Perth

Perth, Australia
Organizer: Institute of Electrical and Electronic Engineers (IEEE)

2nd annual ROBOPALOOZA.space festival will take place at the Australian Automation and Robotics Precinct (AARP), feature Student and Business Innovation Pitch Battles, IEEE Telepresence Competition with US$5,000 prize that was won last year by team from Perth. Theme: SPACE + ROBOTS + ROCK N' ROLL

The Day of Action to Save NASA Science

Washington DC, USA
Organizer: American Astronomical Society (AAS)

To facilitate meetings between individuals and their elected officials to push back against the budge cuts proposed to NASA science in FY 2026; at United States Capitol Building.

Bennu and Ryugu: Samples from the Early Solar System Conference

Houston TX, USA +1 more
Organizer: Lunar and Planetary Institute (LPI)

Purpose and Scope This hybrid workshop will feature invited and contributed presentations aimed at studies of returned samples from Bennu (OSIRIS-REx mission) and Ryugu (Hayabusa2 mission), and perspectives on future asteroidal sample return. In the past five years, NASA’s OSIRIS-REx and JAXA’s Hayabusa2 missions have made history by returning the […]

SXSW Sydney Conference

Sydney, Australia
Organizer: International Astronautical Federation (IAF)

IAC Adjacent Event expecting 1,200+ attendees from 40+ countries; 6 tracks: Tech & Innovation, Business & Leadership, Marketing & Media, Future & Sustainability, Culture & Lifestyle and Creative Industries; includes Innovation Expo

$600 – $1400

Maryland Space Business Roundtable Luncheon

Martin's Crosswinds 7400 Greenway Center Drive, Greenbelt, MD, United States
Organizer: Maryland Space Business Roundtable (MSBR)

Luncheon Speaker / Topic TBA

2025 Stanford on the Moon Conference

Stanford CA, USA
Organizer: Stanford on the Moon (SOM) Alumni Club

At Varian Physics Building Room PAB 102-103, during Stanford Reunion Homecoming Weekend.

Registration Due for in-person attendance: 2025 Lunar Surface Innovation Consortium (LSIC) Fall Meeting, to be held 5-6 Nov

Online
Organizer: National Aeronautics and Space Administration (NASA)

2025 LSIC Fall Meeting will focus on mission-driven technology guiding us to the Moon. Through the years, our community has planned and executed, and now it's time to thrive! This Fall will be valuable to learn directly from core infrastructure technology providers, technologies in the pipeline for future missions, risk […]

$105

Fall Journey Through the Universe

Hawai'i Island HI, USA
Organizer: Gemini Observatory

Event in its 22nd year, inviting STEAM professionals and Maunakea Observatories staff to participate in 80 Hawai'i classroom visits.

NASA Armstrong Research Center Partnership Days

Edwards CA, USA , United States
Organizer: NASA Armstrong Flight Research Center

RSVP is required by 26 Sep for innovative companies to collaborate on groundbreaking research and development, and for NASA Armstrong Research Center to provide expertise, resources and support. A unique opportunity to explore collaboration with NASA on cutting-edge R&D in areas such as aerospace, autonomy, sustainability and more, attendees will […]

New Worlds 2025

Austin TX, USA
Organizer: Earthlight Foundation

Featuring the Space Cowboy Ball; space entrepreneurs, artists, engineers, dreamers, Orson Scott Card, Robert Zubrin, Dyland Taylor, Frank White, et al; at AT&T Conference Center.

$599 – $799

XPrize Visioneering

Malibu CA, USA
Organizer: XPrize Foundation

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

16th Asia-Pacific International Symposium on Aerospace Technology (APISAT 2025)

Seoul, South Korea
Organizer: Korean Society for Aeronautical and Space Sciences (KSASS)

Organized Sessions Aerospace Propulsion Low-Carbon Aviation Futures: Innovations in Dynamics, Control, and Optimization Fuel and combustion technology for propulsion Smart Structures Aerodynamics and Multidisciplinary Optimization of Low-Altitude Vehicles Innovative Cooling Technologies and Thermal Management Solutions in Aerospace Aircraft composite structure design and test verification Aerospace servo transmission、control and actuation Dynamics […]

Nihonbashi Space Week 2025

Tokyo, Japan
Organizer: Cross U Open Innovation Platform for the Space Business

Described as largest space business event in Asia, 8,000+ participants, 90+ exhibitors and 150+ speakers are expected at 28 events, inviting participants to expand their network and explore new business ventures. At Nihonbashi Mitsui Hall and Miruomachi Mitsui Hall & Conference.

2025 International Symposium on Women and Space: Women in Space and the Digital Economy of Space

Hangzhou, China
Organizer: Chinese Society of Astronautics (CSA)

The "Women and Space" International Symposium is a series of conferences organized by the Chinese Society of Astronautics. It aims to build a dialogue platform for women in aerospace, deepen international scientific and technological cooperation, and give full play to the key role of female scientific and technological talents in […]

Maunakea Moon Mountain Observing

Hale Pohaku ~9,200 ft, Mauna Kea HI, USA
Organizer: International Lunar Observatory Association (ILOA Hawai’i)

4:30 pm - Guests start driving to HP 4:45 - 5:45 pm - Lecture 5:58 pm - Sunset 6:30 - 8:00 pm - Lunar Viewing Directors from the International Lunar Observatory Association (ILOA) will give a presentation on the series of Astronomy Moon Missions they are advancing - from Hawai`i […]

Registration Due for online attendance: 2025 Lunar Surface Innovation Consortium (LSIC) Fall Meeting, to be held 5-6 Nov

Online
Organizer: National Aeronautics and Space Administration (NASA)

2025 LSIC Fall Meeting will focus on mission-driven technology guiding us to the Moon. Through the years, our community has planned and executed, and now it's time to thrive! This Fall will be valuable to learn directly from core infrastructure technology providers, technologies in the pipeline for future missions, risk […]

Free