New research suggests the theory that dinosaurs were declining before Chicxulub is the result of a poor (and misleading) ...

You might know the Cretaceous Period for big animals such as Tyrannosaurus rex and ... It was caused by a large asteroid crash-landing off the coast of Mexico, which changed the climate of the planet ...

During this period, oceans formed as land shifted ... After a temperature spike in the mid-Cretaceous, the climate began to cool, and the tenor changed. Other creatures, such as frogs, salamanders ...

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

Fossils from the late Cretaceous are less likely to be discovered, say researchers, primarily because of fewer locations with ...