Like our moon, Deimos is tidally locked to Mars, meaning the same side always faces the planet—the only side visible to ...

A rare total lunar eclipse is heading our way March 14—and if you're curious about whether your zodiac sign will feel the ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...