Roughly 10 to 15 million years ago, an extinct species of side-neck turtle called Chelus colombiana inhabited the vast wetlands of what is now northern...
Bats make up more than one fifth of all living mammal species, yet where and when they first took to the air has been debated for decades. An analysis...
Paleontologists working in Patagonia, Argentina, have uncovered fossilized eggshells that push the known range of dinosaur nesting deeper into the southern...
Scientists have demonstrated that the South American tiger cat complex Leopardus tigrinus consists of five genetically distinct species, including one...
Paleontologists have identified a new species of ancient, distant mammal relative from two fossil specimens found decades apart in the Manda Beds of Tanzania....
A horned owl living in a narrow strip of high-Andean grassland in northern Peru is a species new to science, according to a paper published in July 2026...
An incomplete fossilized skull that has sat in the collections of the Natural History Museum of Denmark since the 19th century has turned out to represent...
Paleontologists have uncovered the first direct physical evidence that colossal prehistoric crocodiles hunted large plant-eating mammals in what is now...
A previously unrecognized species of the antthrush genus Chamaeza has been discovered in the isolated highland rainforests of northeastern Brazil.
The...
Paleontologists studying a 236-million-year-old cynodont fossil from Argentina say they have found the earliest evidence yet of viviparity (live birth)...
Paleontologists have unearthed a remarkably preserved fossil snake in Brazil that is reshaping ideas about how the earliest snakes lived and complicating...
Paleontologists in Uruguay have identified a new species of aeolosaurine titanosaur from a pair of remarkably well-preserved tailbones unearthed in the...
In an analysis of 390 traditionally cultivated cacao trees representing traditional Amazonian varieties, researchers identified four previously unknown...
New research suggests that the first widespread human cultures in the Americas were not opportunistic foragers who ate whatever they could find, but specialized...
Paleontologists working in Brazil have identified a previously unknown species of archosauriform that lived about 240 million years ago and may belong...
A 113-million-year-old pterosaur fossil from northeastern Brazil has yielded rare evidence of soft tissues, organic molecules and chemical traces of a...
Hundreds of camera-trap records from Bolivia and Peru suggest the short-eared dog (Atelocynus microtis), one of the world’s least-known canids and one...
Paleontologists have identified a new species of meiolaniform turtle from northern Patagonia, Argentina, that lived during the Maastrichtian age, just...
Paleontologists in Argentina have identified a previously unknown species of unenlagiid dinosaur that stalked freshwater wetlands during the Late Cretaceous...
