A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

The semi-aquatic dinosaur, Spinosaurus mirabilis, was discovered by an international team of scientists working in Niger.

Add Yahoo as a preferred source to see more of our stories on Google. New dinosaur fossils were discovered at the Dinosaur National Monument, leading to the first excavation there in more than 100 ...

A near-complete fossil from Patagonia has finally cracked open the mysterious evolutionary history of one of prehistory's strangest dinosaur groups ...

Add Yahoo as a preferred source to see more of our stories on Google. Fossil quarry hall at Dinosaur National Monument in Utah, July 6, 2013. (David Fulmer via Flickr CC 2.0) Construction crews have ...

WASHINGTON, Feb 25 (Reuters) - In Argentina's Patagonia region 95 million years ago, some huge dinosaurs roamed the landscape ...

A triceratops skeleton that stood in a Wyoming museum for decades will be auctioned off, a rare instance of a ...

Finding dinosaur fossils on the island of Ireland is harder than finding a "needle in a haystack", the curator of geology at National Museums Northern Ireland has said. But the only two ever to have ...

An Albuquerque museum curator was part of a team that identified a new species related to the muskox — one that roamed thousands of years ago and found its final resting place in what's now known as ...

A routine parking lot project at Dinosaur National Monument has unearthed dinosaur fossils at the site for the first time in more than a century. Workers uncovered the fossils near the Quarry Exhibit ...

Explore ancient dinosaur tracks at Red Fleet State Park, Utah, where footprints from the Early Jurassic period offer a ...