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Massive new dinosaur discovered in Portugal was predator king with 4-inch long teeth

A new dinosaur species discovered in Portugal dominated the food chain 150 million years ago -- the Tyrannosaurus Rex of its time, researchers said. The new species is the largest land predator discovered in Europe and one of the largest worldwide of……

Scientists: Dinosaurs put eggs in wrong evolutionary basket

PARIS — The fact that land-bound dinosaurs laid eggs is what sealed their fate of mass extinction millions of years ago while live birthing mammals went on to thrive, scientists said Wednesday. In a new explanation for mammals’ evolutionary victory over dinosaurs, researchers said a mathematical model has shown that…