PHOENIX — Fossils from the Petrified Forest National Park, in northern Arizona, revealed a new reptile species that thrived during the Triassic Period. Paleontologists and partners with the ...

Researchers found fragments of fossils representing prehistoric mollusks, crustaceans and worms among rocks at the Grand Canyon. Mussini et al. More than half a billion years ago, strange worms and ...

Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna from the ...

These long-extinct, fearsome creatures are turning up in living rooms and corporate offices as wealthy collectors indulge a ...

Tiny dinosaur fossils that puzzled scientists for over 20 years have finally revealed their true identity. Rather than belonging to a miniature species, they are actually baby ankylosaurs—some less ...

TEMPE, AZ (AZFamily) — A group of Arizona State University scientists was among a team that uncovered a new species of fossils, shedding more light on human evolution. “This new research shows that ...

Scientists have announced the discovery of damaged hemoglobin in the hollow, blood vessel–like structures of dinosaur fossils. The researchers used a novel technique they hope may put an enduring ...