Modern anacondas and pythons are massive, but fossil evidence shows they are not even close to the largest snakes to ever ...

Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive risks, and unanswered questions about even larger snakes still hidden within ...

Green anacondas can grow to almost 9m in length and weigh more than 250kg – that's about the weight of a male grizzly bear.

A mechanical constraint prevented the Titanoboa from lifting more than 1/5 of its body to strike. Counter-intuitively, the world’s largest apex predator was unearthed deep within the Cerrejón coal ...

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 ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...