Tag Archives: megafloods

  Mars is a mostly dry, dusty planet these days, but the more we study it, the more we learn about its watery past. Very watery, it would seem. New findings from the Curiosity rover point to megafloods in the planet’s past. NASA couldn’t see the evidence of this event …

NASA’s Curiosity rover has found a series of symmetrical, 10-m- (33-foot-) high gravel ridges — sedimentologic evidence of ancient giant floods — in Gale Crater on Mars. This artist’s impression shows how Mars may have looked about 4 billion years ago. Image credit: M. Kornmesser / ESO. “We identified megafloods …