Researchers just discovered a 66-million-year-old sea lizard in a phosphate mine near Casablanca, Morocco. The Khinjaria ...

Small fossils show mammals moved to the ground before the dinosaurs vanished. New plants changed habitats, giving better food ...

Dinosaur extinction theories suggest populations were dwindling when an asteroid wiped them out. New research is challenging ...

One hundred and fifty million years ago, dinosaurs ruled the land, but the oceans were dominated by a mysterious sea monster. Meet the pliosaur, the Tyrannosaurus rex of the seas! Now, a giant skull ...

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

Dinosaurs may not have been declining before the asteroid impact after all – new research shows that the apparent drop in ...

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

The idea that dinosaurs were already in decline before ... This was due to the retreat of a large inland sea that split the continent in two and river systems feeding this sea drying up.