The Helicoprion is one of the strangest sharks to ever exist—known for its bizarre, spiral-shaped jaw that looks like a buzz saw. In this video, we explore what scientists think it looked like ...

What sets Helicoprion apart from its contemporaries is a peculiar spiral of teeth, creating an enigma ... Among these is the formidable great white shark, a creature that captures human ...

using the lower teeth like a blade to tear off circular chunks of flesh. Smaller prey is eaten whole. This mysterious shark is not often seen by cameras: The first photograph of a live Greenland ...