The average whale shark measures about 30 feet long, with a mouth stretching nearly 5-feet across. The largest whale sharks ...

These teeth came from a really big shark. They were big, too. The 1½-inch-long shark tooth discovered by the Martinez brothers belonged to a shark that was "probably in the neighborhood of 15 ...

A shark expert, whose own curiosity about these fascinating fish was sparked by the movie "Jaws," explains some of their ...

Instead of being triangular, the dorsal fin of Stethacanthus is wide and flat at the top, like an anvil, and covered in tooth-like scales. It looks almost like someone stuck a pop socket to its back.

Yes, the shark population has increased. But the threat is minimal and, in truth, sharks have always been swimming around us, ...

Megalodon teeth are the largest of all shark species. With teeth that can measure up to the size of a human hand, it is easy to imagine just how enormous these ancient sharks were. However, there is ...

Although sharks aren’t the mindless man-eaters they are sometimes made out to be, experts know that staying safe involves ...

Discover more about the shark that inspired Jaws.

A recent diving trip off the coast of Florida resulted in an ancient discovery. Kristina Scott found a 6-inch megalodon shark tooth while fossil diving in Venice. She said she’s been fossil ...

These teeth came from a really big shark. They were big, too. The 1½-inch-long shark tooth discovered by the Martinez brothers belonged to a shark that was "probably in the neighborhood of 15 ...

These teeth came from a really big shark. They were big, too. The 1½-inch-long shark tooth discovered by the Martinez brothers belonged to a shark that was "probably in the neighborhood of 15 ...

Megalodon teeth are the largest of all shark species. With teeth that can measure up to the size of a human hand, ... was reportedly measured to be 7.25 inches long. The tooth, ...