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

Scientists report chemical evidence that fragments of hemoglobin, the molecule responsible for carrying oxygen in blood, may still exist inside certain dinosaur fossils. Using a specialized ...

A nearly complete dinosaur skeleton discovered in Patagonia is helping scientists crack the mystery of alvarezsaurs, a bizarre group of bird-like dinosaurs. The fossil of Alnashetri cerropoliciensis ...

For some 70 million years, the remains of Trey the triceratops lay in sediment beneath Wyoming. Unearthed in 1993 by Lee Campbell and Allen Graffham, the iron-red fossil skeleton spent 28 years loaned ...

The fossil, dubbed “Trey,” will be open for bidding from March 17 to 31 on Joopiter, an online auction platform founded by ...

Learn how the tiny dinosaur fossil from Patagonia reshapes alvarezsaur evolution and their unusual digging claws.

An unprecedented fossil of a baby dinosaur curled up perfectly inside its egg is shedding more light on the links between dinosaurs and birds. The 70-million-year-old fossil preserves the embryonic ...

Paleontologists have often determined how old a dinosaur was by counting the growth rings in its bones. Just like with trees, ...

A Triceratops named “Trey” has been a popular exhibit at the Wyoming Dinosaur Center in Thermopolis for 30 years. Now on the auction block, it has ...

Did dinosaurs live in Alabama? Fossils, museum finds and the famous Selma dinosaur egg reveal the state’s prehistoric past.

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 ...