Japan Launches Mission to Mars' Moon Phobos

Japan has initiated a historic space mission to collect samples from Phobos, one of Mars' moons, with the goal of returning them to Earth. The Martian Moons eXploration (MMX) spacecraft was launched before dawn from the Tanegashima Space Center in southern Japan aboard the H3 rocket. The mission, overseen by the Japan Aerospace Exploration Agency (JAXA) in collaboration with international partners, aims to land on Phobos, collect at least 10 grams of rock and dust, and return the samples by 2031. For the first time, a rover—IDEFIX—will traverse Phobos' surface to scout safe landing sites ahead of the mothership's descent. The mission also seeks to investigate the origins and composition of Phobos and explore its potential use as a staging point for future crewed Mars expeditions. The MMX mission represents a significant achievement for Japan's space program and is expected to advance scientific understanding of planetary and moon formation.