Martian channels carved by lava, not water?

A complex system of river-like channels on Mars widely thought to have been formed by flowing water could instead have been carved by a huge lava flow, according to a new study. The findings could affect our understanding of how supportive Mars might have been for life in the past.

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Robin Wylie

Wylie is a freelance science journalist specializing in earth science. 

Thursday, June 29, 2017 - 06:00