The first beaver to return to New York City since colonial times when the dam-builders were hunted to extinction has been photographed and filmed at its lodge surrounded by gnawed tree stumps, a scientist said today.

Like dancers in a crowded nightclub, some lizards ramp up their body movements to be seen above the background chaos in order to better defend their territory.

Fabric swatches dug up from archaeological sites often look like dull brown rags, but archaeologists are putting crime lab techniques to work to uncover their revealing features.

Using GPS measurements, scientists discover why the ground around Naples, Italy is rising.

The Clovis People, a group of mastodon hunters distinguished by their unique spear points, likely populated North America after others had already arrived, finds a new study.

Covering nearly 160 km (100 miles) across southwest Germany is the Black Forest, the country's largest national park. This forest has been used for centuries as a source of timber and fuel wood, for hunting of animals, as watersheds for clean water, and for recreation.