Rare skull fossils of Spinosaurus found in the Sahara reveal a new species with a crest and evidence it hunted fish in inland rivers.

New findings about the anatomy of the dinosaur age’s fiercest predator suggest it chased prey “like an oversized bird.” ...

Desert soil often looks lifeless, but it’s full of microscopic organisms like bacteria and fungi that help cycle nutrients and support plant life. Many deserts have a hard, crusty surface called ...