"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." Scientists employed AI to identify the dinos behind 3,300 preserved tracks at a paleontological site ...

Back in 1887, British paleontologist Harry Seeley changed the dinosaur world when he began classifying the thunder lizards into two broad categories based on their hip structure. The group he dubbed ...

A dog-size reptile slipped through fern-choked forests 237 million years ago in what is today Paraíso do Sul, Brazil. The animal had the body of a greyhound, a long neck and tail, and a small, nipping ...

This piece first appeared in the Front Matter section of the Proceedings of the National Academy of Sciences. A small but fierce jawbone sits in Argentina’s natural science museum in Buenos Aires. Six ...