What sets Helicoprion apart from its contemporaries is a peculiar spiral of teeth, creating an enigma that has intrigued paleontologists since its discovery. Tasked with assembling an accurate ...

One halcyon spring day in 1903, the 69-year-old anatomist and naturalist Dr. James Bell Pettigrew sat at the top of a sloping ...

Spring is here, and Amazon is dropping deals on everything from water bottles and dresses to self-care items and outdoor furniture. The Big Spring Sale will give homes and closets the refresh they ...

Spring is here, and Amazon is dropping deals on everything from water bottles and dresses to self-care items and outdoor ...

The curved, spiral-shaped jaw contained several hundred teeth and ... Bearing a resemblance to those of the modern great white shark, megalodon teeth, often the size of a human hand, are frequently ...

Jaws might be a monster movie, but Steven Spielberg 's film is not just a horror film about a killer shark. There's a lot ...

Teeth from sharks and rays can be used to study their diet, but one of the biggest challenges in shark science is collecting ...