Scientists believe the bones belong to the large, long-necked dinosaur Diplodocus from the Late Jurassic period, which are common in the area.

While it shares features with modern humans, H. habilis also has traits that would have given it an advantage in climbing ...

It feels like it doesn’t fit comfortably anywhere,” says Matthew Nelsen, a senior research scientist at the Field Museum of ...

A crew performing construction work at the Dinosaur National Monument recently got an unexpected glimpse into prehistory – ...

Over 150 years ago, a fossilized organism known as Prototaxites emerged as an enigma regarding what early land life may have ...

Workers at Dinosaur National Monument uncovered a long-necked dinosaur fossil during asphalt removal.

By Will Dunham WASHINGTON, Jan 7 (Reuters) - Fossilized bones and teeth dating to 773,000 years ago unearthed in a Moroccan cave are providing a deeper understanding of the emergence of Homo sapiens ...

Routine parking lot construction at Colorado’s Dinosaur National Monument unearthed new fossils last fall, the first ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

For 75 years, a pair of fossils in the collection of an Alaska museum was believed to have come from a mammoth. Not so, says ...

The big picture: Park staff identified the fossils on Sept. 16 during parking lot construction near the Quarry Exhibit Hall ...