On March 27, 1989, the Soviet Union's Phobos 2 mission to Mars' moons ended in failure. But the whole mission was definitely ...

The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...

The Hera probe has swung around Mars, using the planet’s gravitational pull to fling itself toward its asteroid target.

Firefly Aerospace’s successful moon lander has yielded a trove of data that scientists will pore over for years.

For an hour, HERA flew as close as 5,600 kilometers from the Martian surface, at a speed of 33,480 kilometers an hour. It used the opportunity to test some of its scientific instruments, snapping ...

The European Space Agency (ESA) fires up three of the instruments on the Hera spacecraft and takes images of the smaller ...

This technology will be used on a Japanese mission, Martian Moons Exploration, which will collect samples from Phobos, a moon of Mars, and bring them back to Earth for study. Another experiment ...

This mission will collect data from Deimos as well as Mars’ other moon, Phobos, where it will eventually land and collect samples to bring back to Earth. The mission is anticipated for a 2026 ...

The lumpy, 12.5 kilometre-wide moon is the smaller and less well-known of the two moons of Mars. Exactly how Deimos and the bigger Phobos were formed remains a matter of debate. Some scientists ...