On March 12, the European Space Agency’s (ESA) Hera spacecraft captured rare images of Deimos, one of Mars’ two moons, from 621 miles away while en route to the asteroid moonlet Dimorphos.

Mars has two small, potato-shaped moons, called Phobos and Deimos ... and it has sent back beautiful pictures, and even sounds from the surface. Many other missions, both past and present ...

Here's the real life ... one of the only pictures we have from HiRISE of Terra Meridiana, where Watney detoured around the storm. This is one of the longest ancient valleys on Mars, called Samara ...

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.

The plot is about a Mars sample return mission gone terribly wrong. The film's creators worked with real scientists to ... consultant for the new Sony Pictures film. And to answer some of those ...

The two lumpy worlds, discovered in 1877, are named for the sons and chariot drivers of the god Mars in Roman mythology. How the moons formed remains unsolved. One possibility is that they formed ...

The pictures depict the Tharsis region of Mars, known for its colossal volcanoes ... ‘The Moon King rises’: Saturn’s swarm of 274 Moons leaves Jupiter in the dust ‘Europeans were not ...

"But as we flew by Mars this gave us more than a thousand images that are absolutely breathtaking." Mars has two moons, named Phobos ... "That's going to be a real challenge — just imagine ...