The New York State Museum is hailing it as a "major discovery" that will help scientists better understand once-abundant ...

The discovery of a newly identified species — the oldest saber-toothed animal found and an ancient cousin to mammals — fills ...

A new species belonging to the gorgonopsians, the ancient ancestors of mammals, was found on the Spanish island of Mallorca.

Researchers uncovered what may be the earliest known ancestor of mammals, a gorgonopsian fossil, in Mallorca, Spain, dating ...

Vaguely dog-like” animal is one of the oldest-known close cousins of modern mammals. Researchers have discovered the oldest ...

Scientists have discovered the oldest known animal with saber teeth: a predator that lived 270 million years ago. This animal ...