Add Yahoo as a preferred source to see more of our stories on Google. Prehistoric Earth was home to giant animals like huge dinosaurs, marine reptiles, and flying pterosaurs. Many grew large due to ...

For nearly 30 million years, a 2,000-pound beast known as the entelodont ruled a sweeping empire from Mongolia to what is now ...

(Raul Martin) Of all the dinosaur superlatives, “biggest dinosaur ever” is one of the most prized. The trouble is that we don’t really know who deserves the title. Sauropods like Apatosaurus (once ...

In Germany, Scientists have found a new species of ancient flying reptile. It comes from a new scientific study of a flying ...

Researchers say the giant predator lived about 415 million years ago, when life on land was still in its early stages A giant scorpion longer than a yardstick once roamed Earth — and scientists say ...

Equipped with powerful jaws and finely serrated teeth, paleontologists say the 43-foot-long prehistoric marine reptile deserves the name Tylosaurus rex. After remeasuring dozens of mosasaur specimens ...

An artist’s reconstruction of a finned octopus of the species Nanaimoteuthis haggarti that reached a length estimated at up to 18.6 meters (61.02 feet) and lived about 86 to 72 million years ago ...

A giant scorpion longer than a yardstick once roamed Earth — and scientists say they have finally confirmed its identity. According to research highlighted by London's Natural History Museum and ...