Add Yahoo as a preferred source to see more of our stories on Google. Elon Musk is putting his dreams of colonizing Mars on hold. But the moon, where even NASA aims to return astronauts as early as 2028, appears to have become a much more feasible target ...

If you're banking on Earth being around forever, Elon Musk has some grim news: we're living on borrowed time—and the sun has the final say. In a recent interview on Fox News' "Jesse Watters Primetime," Musk gave his cosmic forecast. "Eventually, all life ...

What makes colonizing Mars a good idea? Kim Stanley Robinson’s Mars trilogy Is probably the best example but it mostly uses the backdrop of Mars as a plot device ...