Beachgoers on a popular stretch of U.S. coastline have been stopping in their tracks at the sight of translucent, blue and white blobs scattered along the high-tide line. The creatures look almost ...

Rubbery blue sea creatures are washing up on California beaches by the thousands. The translucent blobs, known as by-the-wind sailors (Velella velella), began piling up Sunday (March 30) along several ...

A mysterious rock painting in South Africa’s cave could be the first-ever artwork of an animal that disappeared 250 million years ago. The San people’s “Horned Serpent Panel” features a strange ...