Washington, United States (AFP) — NASA’s Curiosity rover has found wave-rippled rocks — evidence of an ancient lake — in an area of the planet expected to be drier, the US space agency said Wednesday. “This is the best evidence of water and waves that we’ve seen in the entire mission,” said Ashwin Vasavada, Curiosity’s project scientist at NASA’s Jet Propulsion Laboratory in California. The rover, which has been exploring Mars since 2012, beamed back […]