On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? David De RooSilver Spring, Maryland ...

A recent discovery suggests Mars may have once had a much larger moon, which could have caused tides in a lake that once filled Gale Crater. This intriguing possibility comes from a study of sediment ...

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 ...

Elon Musk’s ambition to one day settle Mars appears to have taken a back seat for a rather nearer and more achievable goal – ...

Just 13 months after declaring the moon "a distraction," Elon Musk has announced that Earth's nearest neighbor is now the ...

As more than 120 million people tuned in to the Super Bowl for kickoff on Sunday evening, SpaceX founder Elon Musk turned ...

SpaceX is putting its longstanding focus of sending humans to Mars on the back burner to prioritize establishing a settlement ...