Sixty-six million years ago, the age of the dinosaurs came to an abrupt end, but scientists are still piecing together exactly what happened. For decades, the leading theory has been that a massive ...

A crushed skull reveals Ptychotherates bucculentus, a rare early dinosaur reshaping what we know about evolution before a ...

Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or a sudden catastrophe? A new study led by Andrew Flynn of New Mexico State ...

Add Yahoo as a preferred source to see more of our stories on Google. Alamosaurus was one of the last dinosaurs from southern North American. Paleontologists have recently dated the rock formation ...

Giant mosasaurs, once thought to be strictly ocean-dwelling predators, may have spent their final chapter prowling freshwater rivers alongside dinosaurs and crocodiles. A massive tooth found in North ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals dinosaurs in New Mexico were thriving just before the asteroid impact that ended their reign, overturning long ...