Paleontologists from Colorado will be heading to Minneapolis to take part in the annual Society of Vertebrae Professionals at ...

Discovered in Colorado, a new prehistoric mammal species that lived during the age of the dinosaurs may have been a ...

The animal lived about 70 million to 75 million years ago in a part of the state that would likely have been a swampy ...

Paleontologists have announced their discovery of an ancient mammal that lived around 70-75 million years ago in a swampy ...

A new species of fossil mammal about the size of a muskrat, which was found in Colorado, lived during the age of dinosaurs.

Paleontologists have unearthed the fossil of a remarkable “swamp dweller” that lived during the Age of Dinosaurs.

A team of paleontologists have discovered a fossil in northwestern Colorado that reveals a new kind of mammal that lived ...

The new mammal lived in Colorado 70 to 75 million years ago -- a time when a vast inland sea covered large portions of the ...

A team of paleontologists working in northwest Colorado have discovered Heleocola piceanus, a mammal that was alive during ...

The devastation of a giant meteorite impact on early Earth may have allowed life to flourish, new research suggests.

Paleontologists from the University of Colorado, Utah Division of State Parks, Dinosaur National Monument and two other ...

Rare fossils uncovered in Colorado show an unexpected swamp-dwelling creature lived among the dinosaurs millions of years ago. A team of paleontologists uncovered the “new (or, more accurately, very ...