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

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

(390 million mi) from Earth, underneath the cold seas of Europa, a horrifying, and vastly intelligent creature lurks. Can our ...

James Webb has detected a molecule in the atmosphere of the exoplanet K2-18b that could be linked to life. The molecule, ...

Aliens and demons and Decepticons, oh my! Here are the best sci-fi and horror films streaming on Paramount+, including ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

In the year 1998 – when Bill Clinton was president, most households still had landline phones, and CNN’s website looked like this – Gallup and USA Today called up 1,055 Americans on those landlines ...

Steven Spielberg's eerie 'Disclosure Day' trailer has ignited alien theories online. Is it hinting at hidden extraterrestrial ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Because Titan is tidally locked, the same side of the moon faces Saturn all the time, just like our own moon and Earth.