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

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 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 ...

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 ...