Dinosaur explorer The foot bones of Moros are so skinny, it looks ganglier than even the juveniles of later, larger tyrannosaur species. But Moros was no toddler: Close study of the bones' cross ...

The species was named Sphyragnathus tyche, combining Greek words “sphyra,” meaning hammer and “gnathus,” meaning jaw for the ...

Beyond their charming facade, certain bird species exhibit surprising aggression when threatened. Cassowaries, with their ...

The big sky country of the western North America is a world-renowned dinosaur playground. Household-name dinosaurs like ...

This foot bone, attributed to Homo luzonensis, is unusually curved—a trait more commonly seen in more ancient cousins of modern humans, such as Africa's australopithecines.

The speedy, plant-eating creature lived in what is now Colorado roughly 150 million years ago, and its skeleton went on ...