The irregular shapes and orbits of Mars’s two small moons, Phobos and Deimos, have long been a subject of scientific ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

Mars is not a uniform sphere, but instead has a wonky shape due to its width, length and height all having different measurements, making it triaxial in nature. This weird feature, along with its ...

A NASA rover captured images of a Martian eclipse that resembled a googly-eye peering down at the red planet. The space agency released photos and video Wednesday that show the Martian moon Phobos ...