Spinosaurus, the only known semiaquatic dinosaur predator, joins Tyrannosaurus, Giganotosaurus and Carcharodontosaurus among the largest meat-eating dinosaurs.

Triceratops and similar horned dinosaurs had unusually large nasal cavities compared to most animals. Researchers, including those from the University of Tokyo, used CT scans of fossilized Triceratops skulls and compared their structures with modern animals such as birds and crocodiles.

The “mesozoic cow” was a dinosaur with hundreds of ever-replacing teeth. Here’s how its uniquely adapted skull allowed it to graze like cattle on low vegetation.

A newfound site in the Italian Alps holds one of the largest collections of Triassic dinosaur footprints ever seen