A Smithsonian-led research team has discovered the oldest known pterosaur in North America, a sea gull-sized winged reptile ...

Around 60 million years ago, a large species of Swaindelphys—extinct marsupial-like animals—roamed through modern-day Texas’ Big Bend National Park. While they were only about the size of a ...

The ‘forgotten cat’ undergoing a ‘silent extinction’ Despite their wide range, leopards are classified as vulnerable on the IUCN Red List due to habitat loss, decline in their prey base ...

Archaeology breakthrough as new ‘dog-size dinosaur’ species discovered The Labrador-sized dinosaur ran around the feet of famous species, including the Stegosaurus.

Zion National Park debuts a new exhibit exploring the End Triassic Extinction, based on research conducted within the park’s rock layers.

Paleontologists of both the academic and commercial varieties are expressing concern that another multimillion-dollar auction will distort the fossil marketplace.

Sotheby's is auctioning a Ceratosaurus skeleton that used to be displayed at the Mountain America Museum of Ancient Life in Utah. Do dinosaur bones belong in a museum or a "McMansion?" ...

On July 30, 2003, a team of Spanish and French scientists reversed time. They brought an animal back from extinction, if only to watch it become extinct again. The animal they revived was a kind ...

A 6-foot-tall Ceratosaurus fossil is going up for auction at Sotheby’s this July. Find out what makes this dinosaur so rare and valuable.