The research, published in the science journal Nature, reports that Spicomellus afer had a tail weapon more than 30 million ...

Jason Poole of Philadelphia's Academy of Natural Sciences unveils the humeris (upper arm bone) of Paralititan stromeri, the new dinosaur unearthed by a team of Penn and Drexel researchers. [Alyssa ...

Scientists have discovered a new species of dinosaur — one that was dog-sized and roamed what is now the United States around 150 million years ago alongside familiar dinosaurs like stegosaurus ...

Some dinosaurs were fussy eaters. Certain herbivorous dinosaurs preferred specific parts of plants, challenging long-standing assumptions about their diets, a study of fossilized dino teeth shows ...