In rare video footage, a male whale shark has been spotted biting at his female partner during courtship. Before now, we knew ...

One of the biggest sharks in the world, the thresher shark can grow to around 18.8 feet in length, and much of that length is taken up by its tail, which gives the animal its name and is used to ...

As one of the largest predators to have ever lived, megalodon captures people's imagination - and for good reason. But was this apex predator simply a beefed-up great white shark, and is it still ...