Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a ...

Six species of North American bats glow under ultraviolet lighting, according to a new study. Researchers don’t know why ...

Most of us know to give bears a wide berth in the wild. But there are gentler wild animals, even prey, that can get very aggressive in the wrong situations.

Specifically, whether or not certain fossils found in Montana belonged to a young Tyrannosaurus rex or a completely separate, ...

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the ...

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their ...

An extinct species of rhino that lived inside the Arctic Circle 23 million years ago has been discovered. The nearly complete fossilized skeleton was recovered from the fossil-rich lake deposits in ...

A new study shows that 67-million-year-old fossils originally discovered around eighty years ago, are that of an adult ...

A new dome-headed dinosaur species was discovered in Montana, a study released this month shows. Researchers discovered the ...

North Shore Animal League America greeted a plane full of kittens and puppies Thursday, Oct. 23, at Republic Airport in ...

Scientists from the Canadian Museum of Nature have announced the discovery and description of an extinct rhinoceros from the ...