More than a century ago prolific fossil collector Charles Sternberg discovered the skeleton of a duck-billed Edmontosaurus dinosaur in the sandstone rocks of the Lance Formation in eastern Wyoming.

A dinosaur fossil thought to be a juvenile Tyrannosaurus rex is in fact a fully grown carnivore of a different species, according to researchers who believe they have finally settled a long-running ...

Tenontosaurus fossils found in West Texas, the southernmost record of the dinosaur and a key to the Early Cretaceous.

Scientists have announced the discovery of damaged hemoglobin in the hollow, blood vessel–like structures of dinosaur fossils. The researchers used a novel technique they hope may put an enduring ...

This article was produced by National Geographic Traveller (UK). This journey back in time starts in southern Alberta, two hours east of Calgary, where the ground cracks open to reveal a prehistoric ...