Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal, from before the age of the dinosaurs, was a dog-like creature that was ...

While in southern India, scientists recently stumbled upon some unusual spiders. The arachnids — which were brown, hairy and minuscule — were found “well camouflaged” among rocks and patches of ...

Researchers have excavated the largest dinosaur footprint site in the U.K. after a quarry worker found tracks left by two of ...