A space probe flying past Mars captured images of the red planet's small, mysterious moon. While on a flyby of Mars, Hera was able to use three of its imaging instruments to capture images of Deimos, ...

Although both moons orbit Mars much closer than our own Moon orbits Earth, they also are very small: Phobos measures only 12 miles (19 kilometers) across and Deimos is half that. Their apparent sizes ...

A duo of researchers has just published a study featured on the cover of the journal Astronomy & Astrophysics which shows that as it gets closer to the planet Mars, Phobos, its largest moon, ...

Mars looks quiet today, but new research suggests the planet’s surface still carries the rhythm of a vanished companion. Sediment patterns in an ancient lake bed point to regular rises and falls in ...