Dinosaur fossils, including tracks ... and clawed limbs. Tyrannosaurus and Velociraptor are some of the better-known theropods. This then makes birds living dinosaurs, and some of the most ...
Illustration by Gabriel Ugueto, courtesy the University of Wisconsin-Madison A chicken-sized dinosaur fossil is challenging the mainstream view of how and when reptiles spread to the Northern ...
Just a few fossil fragments of a tiny creature discovered thousands of miles north of its contemporaries have shaken our understanding of global dinosaur history. "It was basically the size of a ...