The lush, tropical regions of Central and South America have long dazzled scientists with their plant diversity. These ...

Scientists studying a 21-to 24-million-year-old rhino fossil found in the Haughton Crater on Nunavut's Devon Island say the ...

A 60-million-year-old fossil initially speculated to be either a Cretaceous metatherian or an Eocene metatherian turned out ...

The geology, fossils and human stories of Florissant Fossil Beds National Monument are part of a common geologic heritage.

Teeth from extinct species like Otodus obliquus (an ancestor of the legendary Megalodon) are commonly found in New Jersey’s ...

A Smithsonian-led team of researchers have discovered North America's oldest known pterosaur, the winged reptiles that lived ...

The 209-million-year-old fossil offers clues to the evolution of the reptiles, which have more than 150 named species ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

Researchers from the University of Arizona have analyzed fossilized footprints found at White Sands in New Mexico, revealing ...