NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the Red Planet's moon Phobos ... of six feet (1.8 meters) every hundred ...

It's been doing a bit of Martian moon-gazing too. The Curiosity rover's latest Mars photo captured the planet's largest Martian moon, Phobos, during a Martian evening, revealing the satellite as a ...

The moon is notable for a certain oddity, namely it orbits around the planet faster than a full planet day — it only takes a bit under 8 hours ... The photos are all from a single Phobos orbit ...

Phobos and Deimos bear more resemblance to asteroids than to Earth's moon. Both are tiny — the larger, Phobos, is only 14 miles across (22 kilometers), while the smaller, Deimos, is only 8 miles ...

A timelapse of photos taken by NASA's Perseverance rover Feb. 8 showed the Red Planet's tiny doomed moon Phobos crossing in front of the much-larger sun. One month earlier, Mars' other moon ...