For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth approximately 66 million years ago, leading to the extinction of about 70% ...

A Tyrannosaurus Rex nicknamed Gus is expected to become the most expensive dinosaur fossil ever sold, in an auction that has ...

Scientists say the "unique" fossil find shows they were in fact blooming 10 million years before dinosaurs were wiped out.

Dinosaurs appear to have been thriving before a giant asteroid hit the Earth 66 million years ago, paleontologists working in New Mexico said Thursday in the journal Science. Experts have long debated ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Scientists have long debated whether ...

A remarkable fossil forest reveals dinosaurs may have helped spread fruit-bearing plants tens of millions of years earlier ...

One of the worst days in the history of life on Earth started like any other. Herds of hadrosaurs with huge head crests and duck bills roamed ancient New Mexico for plants to eat, making sure not to ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...