The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.

Approximately 290 million years ago, a carnivorous dinosaur stomping around present-day Germany had a tummy ache. The Paleozoic predator eventually vomited up its stomach contents, and then hopefully ...

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

For the first time in over a century, fossil excavations took place at Dinosaur National Monument on the border of Colorado ...

For generations, dinosaurs have captivated the human imagination. However, the precise origins and early spread of these ancient behemoths have long remained a mystery. Paleontologists have been ...

The 110 million-year-old fossil of a nodosaur preserves the animal’s armor, skin, and what may have been its final meal.