Before this discovery, "we did not know there was liquid water there," study lead author Vashan Wright told USA TODAY. Finding water on Mars isn't itself a new discovery; the planet's polar ...

An asteroid struck Mars 11 million years ago and sent pieces of the red planet hurtling through space. One of these chunks of Mars eventually crashed into the Earth somewhere near Purdue and is ...

First, Mars had a far thinner atmosphere than had been thought, much too thin for liquid water to persist on the surface. (In low pressure water boils away, even at very low temperatures.) ...

NASA's Perseverance rover found strange green spots in Martian rock, potentially indicating a past interaction with liquid water. When you purchase through links on our site, we may earn an ...