Mars’ moons could be the remains of an ill-starred asteroid that got too close to the Red Planet. A shredded asteroid origin could help explain mysterious features of the small, odd-shaped moons, ...

Japan is putting its Martian Moons eXploration (MMX) spacecraft through a series of tests ahead of its launch to Mars next year. MMX is a complex mission to collect samples from the moon Phobos and ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Martian moon Deimos seen crossing the face of Mars in this sequence of Thermal Infrared Imager ...

"It's exciting to explore a new option for the making of Phobos and Deimos." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Computer simulations ...

NASA's Europa Clipper spacecraft is on a journey to Jupiter's moon, Europa, a frozen world believed to harbor a salty ocean beneath its icy crust — and possibly the conditions to support life. Credit: ...

The moon Phobos has a mysterious origin but a certain expiration date. Phobos, one of Mars' moons, has an uncertain origin, but its surface grooves show that tidal forces are pulling it apart. In time ...

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant impact on Mars. Europe's Hera mission, on its way to the Didymos–Dimorphos ...