The fossil, called Cretosabethes primaevus, shared traits with modern mosquitoes. Scientists think it lived in small water ...

A new look at the "Dueling Dinosaurs" fossil reveals that Tyrannosaurus rex was not the only tyrannosaur roaming the land.

For decades, paleontologists debated whether fossils were of a young T. rex or a species called nanotyrannus. A new study ...

"For the first time, we have a complete, detailed picture of a large dinosaur that we are really convinced of." ...

Fossils from New Mexico change how we look at dinosaur history.

Researchers say they have uncovered a case of mistaken identity and found evidence of a species called Nanotyrannus lancensis.

Experts have been puzzled by recently discovered fossils from the hand of an extinct human relative, Paranthropus boisei.

A paleontologist was trying to locate the site of a famous 1908 discovery when a rancher in Wyoming shared an important clue.

Lichens were already widespread more than 410 million years ago, according to a new international study that identifies a ...

(Reuters) - A tropical storm was brewing over a chain of islands on the edge of the vast Tethys Ocean - the ancient predecessor to the Indian Ocean and Mediterranean Sea - one day roughly 150 million ...

An analysis suggests Nanotyrannus is a separate, smaller dinosaur that lived alongside T. rex, settling a 30-year debate ...

Researchers have uncovered dozens of long-misidentified coelacanth fossils in British museums, some overlooked for more than ...