Discover the power and beauty of nature’s fiercest creatures — from razor-sharp claws to stealthy hunters, each caption ...

In a mountainous cave of southeastern China, a pale creature with “sharp” claws moved along the rocky ground. A beam of light cut through the shadows and eventually landed on it. Scientists peered at ...

It was relatively small compared to the giants that would follow it later in Earth’s history. With a hip height of approximately 0.3 meters (about a foot) and a length of perhaps a meter (roughly ...

The researchers hypothesize that slim, flat thumbnails allow for more manual dexterity than long, sharp claws — thumbnails make it easier to handle and eat a nut. Researchers (left to right) Gordon ...

Joaquinraptor probably fed on plant-eating dinosaurs including juveniles of the enormous long-necked titanosaurs that ...

Horror frogs are also known as hairy frogs due to the bizarre fleshy filaments the males develop during mating season.