A real Amazon giant just stepped out of folklore and into science. And yes—cameras were rolling when it did. A jungle monster slithers into the spotlight ... Continue Reading → ...

It turns out the world's heaviest snake isn't quite what it seems. During the filming of an upcoming National Geographic series, it was discovered that the green anaconda is actually two genetically ...

During a field expedition to the "heart" of the Amazon basin in Brazil, researchers discovered two small fish in the region's tea-colored waters that were previously unknown to science. The first ...

Deep in the Ecuadorian Amazon, researchers set out to survey which spider species, known and unknown, may lurk in the tree canopy. Using a strategy called canopy knockdown, the team fogged the canopy ...

The new tetra fish species measure about half an inch long, according to researchers. Photo by Lopez, G. G. S., Souza, C. S., Reia, L., Mantuaneli, L. A., Morales, B ...