Before the mid-1960s, it was widely believed that all dinosaurs were cold-blooded, slow-moving animals. But in the summer of 1964, a team of paleontologists led by John Ostrom discovered Deinonychus, ...

Steve Brusatte, author of The Rise and Fall of the Dinosaurs and The Story of Birds, recommends 10 dinosaur books to dig into ...

One of the most fascinating fossils discovered in Argentina includes a chicken-sized dinosaur whose existence challenges our understanding of the prehistoric world. The newly discovered dinosaur is ...