A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

A look at the idea of searching for signs of pollution beyond Earth.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

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

If you're looking for a highly replayable JRPG, here are 8 NieR: Automata moments that completely change its meaning once you ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Extraterrestrial visitors are not only already here – they are landing in a top secret “alien airport” hidden away in the ...

Steven Spielberg knows there’s a faction of netizens that think Disclosure Day, his new aliens-are-among-us-thriller, was ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the star's gravity holding it back. These motes of dust are then free to roam the ...