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 ...

The Late Cretaceous modern (crown) bird, Vegavis iaai, pursuit diving for fish in the shallow ocean off the coast of the Antarctic peninsula, with ammonites and plesiosaurs for company. Credit ...