From a 4-metric-ton sloth to a 15-meter snake, not forgetting the mammoth, a prehistoric megafauna with imposing bodies has ...

A new survey by environmental organization iSea has revealed the rich biodiversity of sharks and rays in Greek seas, ...

Scientists have stumbled upon a Greenland shark—a species known for its astonishing longevity—far from its typical Arctic ...

Researchers have wondered how an alligator-size arthropod lived more than 300 million years ago. The discovery of an intact ...

The migration of wildebeest in a massive loop around the plains of the Serengeti is undoubtedly one of the most spectacular ...