New World porcupines originated in South America and dispersed into North America between 4 and 3 million years ago. Prehensile-tailed porcupines today...
Around 12,440-12,550 years ago, hunter-gatherers returned regularly to Tagua Tagua Lake in Chile to hunt ancient elephant relatives called gomphotheres...
A new genus and species of furileusaurian abelisaurid that lived during the Cretaceous period has been identified from fossilized skeletal remains found...
A paper published earlier this month in the journal Cretaceous Research announces the discovery of a previously undocumented genus and species of medium-sized...
The northern population of the giant hummingbird (Patagona gigas) stays in the high Andes year-round while the southern population migrates from sea level...
A remarkable new genus and species of small-sized titanosaurian sauropod has been unearthed in Patagonia, Argentina.
Life reconstruction of Titanomachya...
Dinosaurs debuted on Earth’s stage in the aftermath of the Permian-Triassic mass extinction event, and survived two other Triassic extinction intervals...
Paleontologists have announced the discovery of a new genus and species of saltasauroid titanosaurian dinosaur, based on the fossilized remains found in...
Myrmarachne colombiana is the first species of ant-mimicking spider ever found in copal (fossilized resin) from Colombia.
Myrmarachne colombiana. Image...
Pebanista yacuruna is the closest relative of living South Asian river dolphins (genus Platanista).
Artistic reconstruction of Pebanista yacuruna. Image...
Humans have a long history of transporting and trading plants, contributing to the evolution of domesticated plants. The cacao tree (Theobroma cacao),...
Peltocephalus maturin possibly reached about 1.8 m (5.9 feet) in carapace length and is among the largest freshwater turtles ever found. This finding presents...
Pudella carlae is the first living cervid species described in the 21st century and the first from the New World in over six decades.
Pudella carlae. Image...
Paleontologists from the University of California, Davis, and Smithsonian Institution’s National Museum of Natural History estimate that Perucetus colossus,...
An international team of herpetologists led by New Mexico Highlands University and University of Queensland scientists has described a cryptic new species...
A team of anthropologists from the University of Wyoming, the University of California, Santa Barbara and the University of New Hampshire has discovered...
Scientists have identified five cryptic species of the venomous viper genus Bothriechis living in the jungles and cloud forests of Colombia and Ecuador.
Bothriechis...
A new genus and species of rebbachisaurid-mimicking titanosaurian sauropod that stretched over 15 m (50 feet) has been unearthed in Patagonia, Argentina.
Life...
In 2013, the oncilla (Leopardus tigrinus), a species of small spotted cat from the Americas, was split into two species: the northern tiger cat (Leopardus...
A duo of paleontologists in Argentina has identified a new genus and species of gigantic titanosaur from several fossilized specimens found in the Patagonian...
