Black racer snakes are known to be fast, with some reaching speeds of 8-10 mph, which is a pretty good clip, especially for a ...

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

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

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 ...