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

Charley Taviner, five, was following a crab when he found what he thought was a huge lump of seaweed. But it turned out to be Aplysia depilans - or the "Mediterranean sea hare" - a species rarely seen ...

A RARE sea creature has been found by a little boy on a popular UK beach. The adventurous five-year-old stumbled up the ...

An alien-like Mola mola surprised surfers as it surfaced along the San Diego coastline, ultimately dying and washing ashore. ...

Everything really is bigger - and stranger - in Texas. This year proved the Lone Star State is full of wild surprises after several Texans spotted some rare and unusual encounters with sea creatures ...

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!

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 ...

It secretes toxins and is a very unusual find ...

A young rock-pooler discovered a rare ‘alien-like’ winged creature washed up on a UK beach. Charley Taviner, five, was ...