Add Yahoo as a preferred source to see more of our stories on Google. Modern anacondas and pythons are massive, but fossil evidence shows they are not even close to the largest snakes to ever exist.

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 ...

With their upturned snouts, hognose snakes are easily recognizable. However, they are not among the largest snakes in the world, which makes them more vulnerable to predators such as birds of prey, ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. In the humid swamps of what is now Colombia, there was once ...

A juvenile female boa constrictor in a shed cycle, indicated by the blue opaque eyes. Image by XPS420, CC BY-SA 3.0 In terms of the find, the fossil material includes 27 mostly well-preserved vertebra ...

A hyena is no easy target, with powerful jaws and a reputation for holding its own against lions and leopards, yet one ...