How big was the Tyrannosaurus rex? Learn how, even though they may not have been the largest theropod, they’re definitely one ...

A trove of specimens from New Mexico may help settle a long-running argument about the diversity of dinosaurs before their ...

Extreme floods in Texas revealed 15 dinosaur footprints dating back 115 million years. Experts say the footprints are similar to that of the Acrocanthosaurus—a 35-foot-long carnivorous dinosaur.

In a new study, researchers said they uncovered part of a skull as well as arm, leg and tail bones from the Lago Colhué Huapi ...