The Devon Ice Cap in Canada, which, according to the researchers on the new study, is what ancient Mars may have looked like

Modern Mars is a barren world, drier than any desert on Earth. But geological evidence shows that this wasn’t always the case – in the distant past the Red Planet had flowing water. It’s long been thought that ancient Mars was warm and wet, but a new study has found evidence that it was instead covered in ice sheets, and much of its water was glacier run-off.

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Category: Space, Science

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