Pebbles on Mars point to an ancient river in Gale Crater, study finds
Tuesday, October 13, 2015 - 11:00
in Astronomy & Space
By examining the telltale contours of Martian pebbles spotted by NASA’s Curiosity rover, scientists say that they have found evidence of a river in Gale Crater that must have flowed for many miles. The findings, published in the journal Nature Communications, add to the growing body of evidence...