A spectacular dinosaur discovery in Spain is giving scientists a rare new look inside the world of stegosaurs.

Spicomellus afer, a newly analyzed Jurassic ankylosaur from Morocco, is overturning scientists’ understanding of dinosaur evolution. Unlike any other known creature, it carried a collar of meter-long ...

A newly discovered stegosaur skull from Spain is offering rare insight into the anatomy and evolution of one of Europe’s most ...