A member of a mysterious dinosaur group has been discovered  in North and South Dakota, from roughly 66 million-year-old rocks of the Hell Creek Formation, which is already celebrated for its…

After 13 years of excavation of the nearly complete skeleton of the Australopithecus fossil named Little Foot, researchers conclude that it is probably around 3 million years old, refute previous…

A 70 million year old fossil found in the Late Cretaceous sediments of Alaska reveals a new small tyrannosaur named Nanuqsaurus hoglundi.   Tyrannosaurs, the lineage of carnivorous…

How do researchers know what color ancient fossils were when they lived? Paleontologists studying fossilized feathers have proposed that the shapes of certain microscopic structures inside the…

A new dinosaur species found in Portugal is one of the largest carnivorous dinosaurs from the Jurassic period - and may be the largest land predator discovered in Europe - 30 feet long and weighing…

Fossilization is rare. It may seem common to find them because there have been billions of years and an entire planet on which to do it, but things really have to go right. An ancient fossil…

A team has characterized a new dinosaur based on fossil remains found in northwestern China. The species, a plant-eating sauropod named Yongjinglong datangi, roamed during the Early Cretaceous period…

Dinosaur fossils are exceptionally rare in the Arabian Peninsula but researchers have uncovered the first record of dinosaurs from Arabia itself. What is now dry desert was once a beach littered with…

A new species of fossil horse from 4.4 million-year-old fossil-rich deposits in Ethiopia,  Eurygnathohippus woldegabrieli, was about the size of a small zebra, Eurygnathohippus woldegabrieli,…

The 3,000-kilometer-long Transantarctic Mountains are a dominant feature of the Antarctic continent, yet up to now scientists have been unable to adequately explain how they formed. In a new study,…