This 375-million-year-old fish, the closest known relative of the ancestors of limbed animals such as humans, likely evolved the foundation for rear legs even before the move to land, researchers say.

A mysterious and rather unusual-looking fish with some very interesting stomach contents washed ashore at the beach in Seaside this week.

A shimmery deep-sea creature measuring almost 5 feet mysteriously washed ashore on an Oregon beach. Now, researchers get a ...