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 ...

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 ...

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...