You might know the Cretaceous Period for big animals such as Tyrannosaurus rex and Triceratops, or for being the end of the age of dinosaurs. But what was the world like in the millions of years ...

During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and ...

Digital reconstruction of the Late Cretaceous (~69 million years old) crown bird Vegavis iaai that was completed following ...

Explore the age of the dinosaurs. Discover what the prehistoric world was like and how it changed between when dinosaurs first appeared and the mass extinction at the end of the Cretaceous Period. Non ...

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the ...