An old mystery has puzzled scientists for more than 60 years. It involves a flat, pinkish, worm-looking creature discovered near Sweden under the sea in 1950. Until now, the worm-like genus ...

Researchers from the U.S. Institution of Oceanography have finally solved the mystery of the deep-sea creature that looks like a crumpled purple sock. “Our nickname for [Xenoturbella] was ‘purple sock ...

PERTH, Australia, Feb. 4 (UPI) --Scientists in Australia have found four new deep-sea worm-like species in the Pacific. They belong to the genus Xenoturbella and look like empty socks -- which is why ...