Elon Musk is putting his dreams of colonizing Mars on hold and said his SpaceX rocket company will instead focus on building a city on the moon.

Musk’s announcement comes as NASA plans to send four astronauts around the Moon on a crewed flyby in the Artemis II mission ...

How would colonizing Mars alter us physically and mentally? Would permanent residence on the red planet make us somehow less ...

Elon Musk recently announced that SpaceX is putting Mars colonization on the back burner. Instead, he plans to build a cosmic city much closer to home.

Add Yahoo as a preferred source to see more of our stories on Google. The idea that humans could one day populate and even colonize Mars is one no longer confined to the realm of science fiction.

When Philip K. Dick imagined artificial beings in his book "Do Androids Dream of Electric Sheep," the question was whether machines could think and feel like humans. Today, NASA is posing a related, ...

If you have 8 years to spare and would like to be one of the four lucky guinea pigs Dutch non-profit Mars One sends to the Red Planet, it’s time to hop in line. Mars One announced last year that it ...