The exceptionally well-preserved fossils shine a light on the mass extinction that brought an end to the "Biological Big Bang." ...

Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study. Scientists have long counted annual growth rings in fossilized ...

“It’s easy to get me excited about anything related to fossils,” says Amy Atwater. That’s a pretty good quality to have when you’re the director of paleontology at Dinosaur Ridge in Morrison – and ...