Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

In a Truth Social post, the U.S. president said his move was based on the "tremendous interest" in the subject, without providing additional details.

For decades, scientists have grappled with a profound question known as the Fermi Paradox: if the galaxy is teeming with the potential for extraterrestrial life, why is the cosmos so quiet? A new ...

A new study suggests a novel approach in the long-running scientific endeavor to find intelligent life beyond Earth. Instead of casting a wide, speculative net across the cosmos, researchers from Penn ...

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 ...

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...