If you could look up at the night sky from the surface of Mars, what would you see? First, there would be some slight differences in the stars' paths. All of the familiar stars and constellations ...

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 ...

The Martian moon Phobos has a lumpy, nonspherical shape that suggests it may be a captured asteroid. (ESA/DLR/FU Berlin (G. Neukum)) The origin of the two small moons of Mars, called Phobos and Deimos ...

Phobos is one of the two moons that revolve around Mars. It's a lumpy, crater-filled pile of rubble that measures only 10 by 14 by 11 miles (17 by 22 by 18 km). Phobos also orbits closer to Mars than ...