According to research, scientists know quite a lot about sharks. For example, we know that an estimated 57 shark species are ...

Tiger sharks are one of the largest shark species. On average, they measure 10 to 14 feet and weigh 850 to 1,400 pounds. But they can be as long as 20 to 25 feet and weigh more than 1,900 pounds.

(CNN) — The largest apex predator in the tropical seas, tiger sharks are notoriously fierce. They can grow to more than six meters (20 feet), have sharp serrated teeth and are second only to great ...

Add Yahoo as a preferred source to see more of our stories on Google. A 10-foot tiger shark washed ashore in Jensen Beach Tuesday, which is a rare occurrence, according to Martin County Ocean Rescue ...

The Aeolus in North Carolina combines two things that sound scary to many people: a shipwreck and sharks with needle-like teeth. This vessel was an attack cargo ship for the US Navy in the 1940s ...