Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that Tyrannosaurus rex fed on...
New research suggests that the first widespread human cultures in the Americas were not opportunistic foragers who ate whatever they could find, but specialized...
For decades, the discovery of stone spear points lying next to proboscidean (mammoth, mastodon, and gomphothere) bones has been treated as archaeology’s...
A nearly complete skull unearthed decades ago in Arizona has given paleontologists their clearest look yet at Adelphailurus kansensis, an enigmatic felid...
Fossils from the Jose Creek Formation in New Mexico reveal that angiosperms (flowering plants) had built dense, fruit-bearing forests nearly 75 million...
Paleontologists from the Field Museum of Natural History have described the fossilized remains of baby embolomeres, crocodile-like predators that prowled...
By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed...
Paleontologists have described a new species of bipedal shuvosaurid archosaur from New Mexico, shedding light on a group of creatures that roamed North...
A large tyrannosaurid dinosaur may have stalked the floodplains of what is now New Mexico nearly 74 million years ago, according to a team of paleontologists...
Fossils of a giant tortoise, a ground sloth, a lion-sized armadillo relative called pampathere, scimitar-toothed cats, horses, camels and mastodons found...
A study of radiation fog events over Pennsylvania has found that bacteria living inside fog droplets are actively growing and feeding on toxic chemicals...
An analysis of wear on the fossilized teeth of the hadrosaurian dinosaur Maiasaura peeblesorum indicates their juveniles may have eaten softer, more nutritious...
New research led by Aarhus University paleontologists overturns the image of tyrannosaurs as pure apex predators. An analysis of 16 precisely mapped bite...
In the lightless depths of the Gulf of Alaska, approximately 3,251 m (two miles) below the surface, a softball-sized golden object clinging to a rock left...
CT scans of a decades-old specimen from the Yale Peabody Museum of Natural History show a new species of short-snouted crocodylomorph with unusually strong...
A new genus and species of carnivorous herrerasaurian dinosaur has been described from an incomplete but well-preserved skull found in northern New Mexico,...
New trace fossil discoveries from the half-billion-year-old Cambrian tidal flats of Wisconsin at a site called Blackberry Hill continue to paint the picture...