The impact dinosaurs had on Earth was so big that their extinction seems to have caused dramatic and wide-ranging changes to ...

A growing body of research on dinosaurs' closest living relatives suggests the method that's been used to estimate how old a dinosaur was when it died may be leading paleontologists astray.

When dinosaurs disappeared, Earth didn’t stay empty for long — but what came next is still a mystery built from scattered clues. Fossils show a rapid reshuffling of ecosystems, with certain animals ...

This specimen of the bird-like dinosaur Archaeopteryx exhibits what paleontologists call the dinosaur death pose or the opisthotonic death pose. An experiment on reptile decomposition aims to shed ...

A sharp plunge in ocean calcium levels may be the missing link in Earth’s long transition from a hot, dinosaur-era greenhouse ...

(via Be Smart) A giant asteroid impact ended the age of the dinosaurs 66 million years ago. How did this mass extinction play out, moment by moment? In this video we meet a geologist who has explored ...

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 ...