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

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

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

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

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

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

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

Take shelter and lay low as you experience Paramount+’s options for haunting horror flicks and sci-fi stunners.

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.

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

Radar operators at Washington National Airport and nearby military bases began tracking unidentified objects moving through restricted airspace near the White House and the Pentagon. The returns were ...