It started like any other expedition into the remote wetlands of South America. Thick jungle, slow moving rivers, and the kind of silence that makes every sound feel suspicious. But what the team ...

The green anaconda, an aquatic snake often found in South America's Amazon region, is the largest of its kind — measuring nearly 21 feet in length, according to experts. Now, the snake behemoth has ...

The death of an exotic snake breeder exposed a family betrayal and a murder plot that no one saw coming. Dateline: ...

When people talk about the heaviest snakes in the world, the discussion often drifts between exaggeration and half-remembered wildlife footage. The reality is more grounded and less uniform than ...

The green anaconda has long been considered one of the Amazon's most formidable and mysterious animals. Our new research, published in Diversity, upends scientific understanding of this magnificent ...

Anacondas are among the largest snakes on Earth. But when did their development toward these massive body sizes actually ...

Anacondas are among the largest snakes on Earth. But when did their development into these massive sizes actually begin? A ...

Feb. 21—Why study anacondas? For Jesús Rivas, who chairs the biology department at New Mexico Highlands University and has been observing the massive snakes for more than 30 years, the answer to that ...