NASA’s Mars rover has found ‘ripples’ of liquid water carved into Martian rock – and it could rewrite the Red Planet’s history

NASA’s Curiosity rover has discovered symmetrical ripple marks at two different locations in Gale Crater on the Red Planet, providing strong evidence for the past existence of open liquid on Mars. (Image credit: NASA/JPL-Caltech/MSSS) Researchers have found evidence that liquid…








