A rare juvenile Ceratosaurus fossil, discovered in Wyoming in 1996, fetched $30.5 million at a Sotheby's auction. This nearly ...

A dramatic fossil unearthed in northeastern China shows a pugnacious badger-like mammal in the act of attacking a plant-eating dinosaur, mounting its prey and sinking its teeth into its victim’s ...

Repenomamus is perched atop the prone Psittacosaurus, gripping the jaw and hind leg while biting into the ribcage. Repenomamus measures 1-1/2 feet (47 cm) long. Psittacosaurus is 4 feet (120 cm) long.

My, what big feet you have. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A dinosaur that lived in Australia 220 million years ago left ...

A Dinosaur Parked for Millions of Years: A fossil, estimated to be about 70 million years old, was buried 763 feet below the surface of the parking lot of the Denver Museum of Nature and Science.