This specimen, given the nickname “Alna,” was unearthed in sandstone at a site called La Buitrera in northern Patagonia.

An analysis of two theropod dinosaur fossils has shown that they had a type of carpal bone (pisiform) in their wrists—a bone considered important to flight in birds. Subscribe to our newsletter for ...

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

Citizen scientists uncover dinosaur toe bones and claws along Australia’s southern coast, sharpening insight into ancient polar life.

The 225-million-year-old fossil that changes everything we know about dinosaurs ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...