This ostrich-like dinosaur used to be categorized as a known species until paleontologists realized it's something new.
Changing the menu may have allowed jaguars to thrive while other cats perished
Despite promises to improve, the media company continues to peddle misinformation
This Triassic carnivore ruled when dinosaurs were still small
Dinosaur discoveries aren't just made in the field, but in museum collections, too
This extinct mammal had a strange arrangement of toes
One of the most exceptional fossil sloths ever excavated was found under a mound of bat droppings
America's pronghorn aren't antelope, but close relatives of giraffes
This ancient marine reptile is being hailed as the "crown jewel" of Scottish fossils
Paleontologists claim to have found a little armored dinosaur that went carnivore
Paleontologists announce a new carnivore that stalked Jurassic shores
How Smilodon and other ice age carnivores changed the world around them
Paleogenetics confirm that the cave lion was a species all its own
This herbivorous giant adds to the story of Spain's dinosaurs
These insects thrived in the heyday of the dinosaurs
Trace fossils are not always what they seem
Believe it or not, the earliest known sabertooth was an herbivore.
This fossil cetacean adds resolution to when toothed whales started to see with sound.
The Cretaceous eggs hint at how crocodile reproduction has changed through the ages
The way these carnivores titter isn't just for laughs