Spinosaurus in the Sahara Desert in Niger, a discovery that adds to the debate over whether the prehistoric creatures were fully or semi-aquatic]]>

The juvenile dinosaur is so well preserved that its individual cells can still be identified under a microscope.

Driving from Utah to Colorado reveals a long list of attractions such as fossil-rich parks, museums and life-size 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 Haolong dongi had porcupine-like spikes never before documented in dinosaurs.