[chitters] [thrilling music] -[Narrator] Utahraptor is the largest species of raptor that ever lived. [rasping screeches] [intense music] But until relatively recently, no-one knew this fearsome ...

Every dinosaur came from an egg, but exactly how those eggs cracked open is something we know little about. That's why a ...

You might not think a paleontologist looking for 66-million-year-old fossils would need to ask a rancher about his great-grandmother's job in the Wyoming badlands. But that's what Paul Sereno, a ...