In a new episode of Popular Science’s Ask Us Anything podcast, we dig into the fossil record to see just how likely a venomous dinosaur would’ve been. Sarah Durn: It’s one of the most memorable scenes ...

An ancient species has had experts scratching their heads about its unusual jaw shape. The salamander-like creature had a ...

While they may look like innocent, wide-eyed plush toys on social media, slow lorises hide a far more violent reality. New ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...