Paleontologists have discovered the fossil bones of Tenontosaurus sp. -- an Early Cretaceous ornithopod dinosaur from North ...

"This discovery extends the known range of Tenontosaurus farther southwest than previously documented," Ricketts said. "Until now, fossils of this species were known primarily from localities farther ...

A dinosaur fossil discovery by a researcher from The University of Texas at El Paso may expand the known range of a species that roamed Earth approximately 115 million years ago.

A discovery deep in the rocky terrain of West Texas is changing what scientists know about dinosaurs that once roamed this region. Dr. Jason W. Ricketts, a geology professor at UTEP, uncovered fossils ...

Amid the debris removal and cleanup process following the devastating flooding during the Fourth of July weekend, Travis County officials may have uncovered a piece of history millions of years in the ...

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Scientists have announced the discovery of damaged hemoglobin in the hollow, blood vessel–like structures of dinosaur fossils. The researchers used a novel technique they hope may put an enduring ...

Megaraptorans were known for their elongated skulls and powerful claws. Paleontologists in Argentina have discovered a new predatory dinosaur -- the fossils of which contained a crocodile bone within ...

A pair of Edmontosaurus specimens found in a Wyoming dig help researchers to understand the process that led them to be mummified. By Jack Tamisiea During a 1908 dig in Wyoming, the fossil hunter ...