Deep inside Ecuador’s Amazon basin, a film crew and a team of biologists set out to capture a television moment and instead ...

This behemoth is the largest snake ever discovered. It’s not only bigger but also very genetically distinct from its southern cousin, raising questions about biodiversity and the Amazon’s fragile ...

A new study has reconstructed anacondas that lived in what’s now Venezuela 12 million years ago. The fossil vertebrae reveal ...

A study of anaconda fossils shows that these snakes reached their maximum size 12.4 million years ago and then stopped ...

Giant anacondas grew large early and kept that size for millions of years, surviving climate shifts and habitat changes ...

Unlike other giant species, which reached their peak size during the Miocene before dying out and getting replaced by smaller ...

Anacondas have remained apex predators for over 12 million years and aren’t considered endangered, but that doesn’t mean they ...

A University of Cambridge-led team has analyzed giant anaconda fossils from South America to deduce that these tropical ...

A new study of ancient fossils found that millions of years ago these creatures grew to more than a whopping 5 metres in ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Most boas, which are a type of large, non-venomous ...

Meet Medusa, the largest snake in the world. Plus, boas the length of school buses, quarter-ton anacondas, and a 12-foot pit viper named Silent Death. Pretty much all of the really impressive “biggest ...