NASA sent the science community into a frenzy with the release of images of rocks on Mars, which led to one suggesting they ...

The mysterious interstellar 'alien ship' hurtling through our solar system has a "hidden friend" that could crash into Mars, according to a shocking new theory. Harvard boffin Avi Loeb has been ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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 ...