The Rock Pool Project in Plymouth says the non-native sea hare looks "alien-like".

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life. An ...

A young rock-pooler discovered a rare ‘alien-like’ winged creature washed up on a UK beach. Charley Taviner, five, was following a crab when he found what he thought was a huge lump of seaweed. But it ...

CHARLOTTE, N.C. — A marine creature that resembles the alien E.T. has been found growing in a prehistoric area of eastern Pacific seafloor rock. The “E.T. sponge” has been classified as a new species ...

Social media users were shocked over an “alien” creature that washed ashore in Australia with some labeling it the “freakiest thing” they’d ever seen. “I’ve never seen anything quite like this before!

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Back when Alien: Earth premiered on FX and Hulu, all of three weeks ago, IGN’s Clint Gage said in his review of the first two episodes that, “The xenomorph is playing the hits, as it were. But this ...