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

NET 2026 — Launch Martian Moons eXploration (MMX)

Tanegashima Space Center, Japan
Organizer: Japan Aerospace Exploration Agency (JAXA)

NET 2026 — Launch Martian Moons eXploration (MMX): Japan planning to launch its first Mars mission consisting of sample return probe; to conduct observations of Mars, Phobos and Deimos, collect Phobos sample, return to Earth.

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.