A few weeks ago, the rover Perseverance found potential signs of life on Mars. Again. I’m getting tired of scientists getting so worked up about potential life on Mars. First, it was potential signs ...

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 ...

In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its most tantalizing phase yet. NASA now says the layered stone, drilled by the ...