Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...

A remarkable fossil unearthed in Africa is rewriting the story of dinosaur origins. The 225-million-year-old leg bone, ...

Researchers found sauropod bones with signs of osteomyelitis, an infectious disease that can be caused by viruses, bacteria, fungi, or protozoa and that killed the animals quickly. The discovery ...

Vibrant orange-colored lichens are helping scientists discover dinosaur fossils in Canada, according to a study published in Current Biology. A set of bones belonging to sauropods, as long-necked ...

Scientists have discovered a new dinosaur with powerful claws, feasting on an ancient crocodile bone. The new find was possibly 23 feet (7 meters) long and hailed from a mysterious group of dinosaurs ...