Latest articles by Pete Buchholz

Paleontologists have discovered the footprint of a giant carnivorous dinosaur nearly matching Tyrannosaurus in size.

A newly described specimen of a tiny plant-eating dinosaur shows features indicating that it may have been able to climb around in branches -- an ability so far unknown in any dinosaurs except birds.

Theropods are some of the most famous and successful of all dinosaur groups. These bipeds include every known carnivorous dinosaur (and quite a few that were not carnivores), and range in size from giants like Tyrannosaurus and Giganotosaurus, to diminutive wrens and hummingbirds. Many theropods are known to have been feathered, and they still live among us as birds.