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

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

Quick Take Reaching a size 5 times larger than males is a biological benchmark for breeding females. Holding breath for 10 ...

Quick Take 73-inches is the record-breaking length for this snake. The 1.25-pound weight limit creates a physical ...

The lord of this jungle was a truly spectacular creature—a snake more than 40 feet long and weighing more than a ton. This giant serpent looked something like a modern-day boa constrictor, but behaved ...

There are no venomous snakes that call Rhode Island home, but the bad news for people with ophidiophobia is there are snakes in Rhode Island that can grow to 8 feet long. There are 12 snakes native to ...

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 ...