Scientists confirm a record-breaking green anaconda in the Amazon, revealing new species clues, surprising sizes, invasive ...

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

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 minutes underwater dictates the specific aquatic reach of the green anaconda.

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

It is thought that this giant snake lived in the ancient seas during the Eocene epoch, about 56 to 34 million years ago.

You probably know that the king cobra is the largest venomous snake known to humans, but what if this isn’t entirely true? It ...