The irregular shapes and orbits of Mars’s two small moons, Phobos and Deimos, have long been a subject of scientific curiosity. Recent research suggests that these moons may have originated from ...

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 ...

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 ...

Phobos, the oddly-shaped moon of Mars, has been captured in a series of stunning images gliding above the planet’s volcanic terrain and a dust storm in full rage. Taken by the European Space Agency’s ...

As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the ...