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

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

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

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

Forget the grainy footage of 'flying saucers' or the campy sci-fi tropes of little green men from Mars; the search for ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Who hasn't looked into the sky and wondered if there's life out there, somewhere, looking back at ...

If you found out we weren't alone... would that frighten you?' Spielberg's 'Disclosure Day' is one of 2026's most anticipated ...