Artist’s depiction of Eoneophron infernalis (top left), MOR 752 (bottom left), and Anzu wyliei (right) in the Hell Creek Formation. Illustration by Zubin Erik Dutta. Funding: Funding for ...

Montana’s Hell Creek formation is one of the premiere dinosaur-hunting grounds in the United States, and though much of the dino-laden land is secured as federal or state property, not all of it is.

Of all western North America’s fossiliferous lands, the Hell Creek Formation is among the richest boneyards. The 68-66 million year old exposures that stretch from Wyoming through Montana and ...

SIOUX FALLS, S.D. — Tyrannosaurus rex may have been known as the big guy around the Hell Creek Formation 66 million years ago, but a newly discovered species of raptor would have roamed the ...

A Triceratops may have been the last dinosaur standing, according to a new study that determined a fossil from Montana's Hell Creek Formation is "the youngest dinosaur known to science." ...

Dinosaur remains have been recovered from six localities in the uppermost part of the Hell Creek Formation, McCone County, Montana, which on the basis of stratigraphic placement and contained fossil ...