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

the first case that usually comes to mind is when an asteroid struck Earth about 66 million years ago and triggered the extinction of the dinosaurs. However, the Cretaceous–Paleogene extinction ...

Researchers dated the fossil animal regurgitate to the end of the Cretaceous era nearly 66 million years ago. They concluded the fossil vomit contained two species of sea lilies that were likely ...

Dinosaurs have captured people’s imagination ever since their bones and teeth were first scientifically described in 1822 by ...

evolved during the early Cretaceous period between 125 and 100 million years ago. Labandeira, seen here conducting field work in South Africa, studies the entangled evolutionary history of insects ...