(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 ...

What happened the day the dinosaurs died? This video explores the catastrophic events surrounding the mass extinction of dinosaurs approximately 66 million years ago. It covers significant geological ...

The impact dinosaurs had on Earth was so big that their extinction seems to have caused dramatic and wide-ranging changes to the planet’s landscapes, such as shifting rivers. There is a marked ...

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 ...