In a new study featured by New Scientist, researchers propose that Mars might have once had a much larger moon than it does ...

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 ...

There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a ...

Doing the persnickety calculations of how fast clocks tick on Mars relative to Earth, two scientists have discovered that ...

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times the mass of Phobos, a study says.

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 world’s most advanced deep-space capsule, the Orion, is set to speed astronauts around the Moon, a trek that could ...

Experts speculate a new Phobos mission could launch by 2030, leveraging advancements in propulsion and AI for safer trajectories. The Phobos-Grunt mission, Russia’s endeavor to explore Mars’ moon ...

Just four days after it passed in front of the Pleiades star cluster, the moon will cross paths with another noteworthy celestial object on Monday evening, Jan. 13, when it will cover the planet Mars, ...

BOSTON - The highlight of the week is coming tonight in the night sky - the lunar occultation of Mars. First off, at 5:27 p.m. the moon will be officially full. The full January moon is known as the ...

Mars’ moons could be the remains of an ill-starred asteroid that got too close to the Red Planet. A shredded asteroid origin could help explain mysterious features of the small, odd-shaped moons, ...

US President Donald Trump on Thursday confirmed that he wants to send astronauts back to the moon as soon as possible, ...