When dinosaurs disappeared Earth entered a period of instability unlike anything before Fossil evidence suggests that smaller resilient creatures rapidly expanded into empty ecosystems Scientists cont ...

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 ...

New plankton arrived just a few millennia — maybe even decades — after the Chicxulub asteroid, forcing a rethink of evolution ...

(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 ...

Tyrannosaurus rex might be the most famous meat-eater of all time, but it turns out it wasn’t the only way to be a terrifying giant. New research shows that while T. rex evolved a skull designed for ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives ...

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.

Newly dated fossils from New Mexico challenge the idea that dinosaurs were in decline—and suggest instead they had formed flourishing communities. Alamosaurus was one of the last dinosaurs from ...