Evidence of liquid water found on Mars
Image source, NASA Image caption, Curiosity has been exploring Gale Crater since 2012 Nasa's Curiosity rover has found that water can exist as a liquid near the Martian surface. Mars should be too cold to support liquid water at the surface, but salts in the soil lower its freezing point - allowing …
Jeannie Pelletier flipped this story into Magazine•3272d