From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...

Yesterday, NASA made the startling announcement that its scientists have uncovered the 'clearest evidence' yet for the existence of life on Mars. Last year, NASA's Perseverance rover discovered that a ...