3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period, dinosaurs ruled the loosening remnants of the ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the forested river valleys in western North America during the late Cretaceous period ...

They first appeared around 240 million to 230 million years ago in the Triassic Period, and went extinct around 66 million ...

In This Article Sinocalliopteryx, a theropod from Early Cretaceous China, was a fast-moving predator, based on its skeletal structure. While exact speed estimates are not available, its long limbs ...