A separate T. rex fossil known as Stan, which was sold in 2020 for a record $31.8 million, was also excavated from the Hell Creek Formation. ... Edmontosaurus and Ankylosaurus, ...

The club-tailed ankylosaurus is one of the most iconic dinosaurs, often depicted using its tail to bash away hungry tyrannosaurs - but it turns out their clubs had more than one use.. A fossil named ...

T. rex may have evolved in North America after all, scientists say. Pterosaur tracks reveal flying reptiles were comfortable on land, too.