Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Scientists are using advanced telescopes, models and AI to help them look for signs of life beyond Earth, including in ...

(CNN) — President Donald Trump on Friday downplayed his involvement in invoking the Alien Enemies Act of 1789 to deport Venezuelan migrants, saying for the first time that he hadn’t signed the ...

Ted Chiang, who wrote the source material that Denis Villeneuve's Arrival was based on, weighed in with his thoughts about ...

NASA has uncovered major new clues on Mars that could point to alien life. The space agency’s rover has found chemicals on ...

Most scientists search for aliens by waiting for signals that may never come. Avi Loeb argues that real evidence requires ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

A former Air Force officer claimed he was forced to sign a gag order silencing him about a chilling UFO encounter that ...

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