Add Yahoo as a preferred source to see more of our stories on Google. On January 29, 1989, a Soviet space probe named Phobos 2 arrived in orbit around Mars. This was the last space mission launched by ...

Phobos is the larger and innermost of Mars' two moons, and it's a fascinating celestial body. It's small, irregularly shaped, and orbiting just about 6,000 kilometers above the surface of the Red ...

Six planets in the solar system have at least one moon. Both Earth and Mars are toward the lower end of the lunar count, as our home planet only has one moon, and Mars has two. But not all moons share ...

On January 29, 1989, a Soviet space probe named Phobos 2 arrived in orbit around Mars. This was the last space mission ...