Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink where the story of life really began. Instead of a warm little pond on early ...

CAPE CANAVERAL, Fla. (AP) — Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA’s Perseverance rover. The crackling of electrical ...