Dinosaurs had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including the shape of rivers—and these changes are reflected in the geologic record, ...

Following in a giant dinosaur's footsteps could be fatal—but not for the reasons you might suspect. Mysterious "death pits" holding the fossil skeletons of nearly two dozen small dinosaur species may ...

One of the worst days in the history of life on Earth started like any other. Herds of hadrosaurs with huge head crests and duck bills roamed ancient New Mexico for plants to eat, making sure not to ...

The mystery surrounding dozens of small dinosaur fossils has finally been solved. Remains previously thought to belong to ...

Theropods once trekked along a “dinosaur freeway” that stretched across a shoreline in what is now Bolivia, according to a new study.

WASHINGTON — A fossil unearthed in Argentina of a newly identified species of meat-eating dinosaur is providing insight into a poorly understood group of Cretaceous Period predators, thanks not only ...