An incomplete fossil record hampers reconstructing the early evolution of caimans (subfamily Caimaninae). In new research, paleontologists from Germany...
An international team of researchers has discovered a new species of the lizard genus Enyalioides living in the premontane forest of the Río Huallaga...
A three-dimensionally preserved skull of a previously unknown Triassic-period reptile from Argentina illuminates the origin of lepidosauromorphs (lizards,...
An international team of botanists has discovered three new endemic species of the orchid genus Lepanthes in the highlands of Ecuador.
Lepanthes oro-lojaensis...
New research shows that Machu Picchu, an ancient Incan citadel set high in the Andes Mountains in Peru, was occupied from about 1420 to 1532 CE, with activity...
Paleontologists in Brazil have unveiled a new species of unenlagiine dromaeosaurid dinosaur from the Maastrichtian age of the Cretaceous period.
An artist’s...
Paleontologists in Argentina have found a fossilized jaw of the extinct bat species Desmodus draculae inside an ancient burrow of a giant sloth.
Desmodus...
A team of U.K. botanists has discovered five new species in the plant genus Jacquemontia in the Andes of Bolivia.
Jaquemontia chuquisacensis. Image credit:...
A new genus and species of extinct rodent has been identified from two fossilized teeth found in Puerto Rico.
This artist’s reconstruction shows the...
Entomologists have described a new iridescent species of the parasitoid wasp genus Dolichomitus from the Ecuadorian Andes.
Dolichomitus meii, holotype,...
The sweat bee Megalopta genalis, a Neotropical nocturnal bee species that navigates under the forest canopy at light intensities 10 times dimmer than starlight,...
A team of ornithologists from the American Bird Conservancy and Cornell University’s Lab of Ornithology has captured the first-ever clear images and...
A new genus and species of lithostrotian titanosaur has been identified from a partial skeleton found in northern Chile.
Life reconstruction of Arackar...
A team of ornithologists from the United States, Canada, Brazil, and Paraguay has described a new species of trogon from the Atlantic Forest of north-eastern...
About 66 million years ago (the end of the Cretaceous period), a 10-km-wide asteroid crashed into Earth near the site of the small town of Chicxulub in...
Ornithologists from the United States, Brazil and Finland have described two new species of the owl genus Megascops from the Amazon and Atlantic forests.
The...
In a genome-wide association study of 6,169 Latin American individuals, an international team of scientists identified 32 gene regions (loci) that influenced...
Paleontologists in Argentina have discovered what they say is one of the oldest-known fossils of the ground sloth Megatherium.
Life reconstruction of Megatherium....
A new study, published in the Proceedings of the National Academy of Sciences, suggests that dogs were domesticated in Siberia by 23,000 years ago, possibly...
Dr. Laura Chornogubsky, a paleontologist in the Museo Argentino de Ciencias Naturales ‘Bernardino Rivadavia’ and CONICET, has described one new genus...
