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 ...

Some animals inspire fear, while others inspire entire cosmologies. The green anaconda, widely regarded as the largest snake in the world, capable of reaching lengths of up to 30 feet and weighing ...

Never-before-seen video shows the dramatic moment that scientists encountered a new anaconda species while filming the National Geographic travel series "Pole to Pole with Will Smith." This is Ecuador ...