Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the ...

Add Yahoo as a preferred source to see more of our stories on Google. This specimen of the bird-like dinosaur Archaeopteryx exhibits what paleontologists call the dinosaur death pose or the ...

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.

(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 ...