The blue whale is not only currently the biggest animal on Earth, but scientists long thought that it might be the largest animal to have ever lived. Now fossils unearthed in Peru suggest a giant ...

About 43 million years ago, when South America was surrounded by water on all sides, there lived a whale with four legs, elongated toes, sharp teeth and perhaps even fur. This ancient creature looked ...

Whales belong in the ocean, right? That may be true today, but cetaceans (whales, dolphins, porpoises) actually descended from four legged mammals that once lived on land. New research published in ...

TOKYO - Japanese researchers said Sunday that a bottlenose dolphin captured last month has an extra set of fins that could be the remains of hind legs, a discovery that may provide further evidence ...

GEORGIA (WRBL) — Forty million years ago, the coastal creatures of Georgia looked a little different than they do today. Specifically, scientists say there were whales with limbs inhabiting the seas.