Jack Casey was approached by New Jersey fishermen to "do something on sharks." What he did changed shark science forever.

Shipwrecks off the North Carolina coast attract sand tiger sharks and great white sharks. Divers film the action.

When they hauled it in, they counted 12 juvenile great white sharks, none bigger than five feet. "They were laying in their feeding on the heads of bluefish that the charter boats were throwing ...

If they do, this is their warning: The great white sharks are coming ... overwintering grounds off the southeastern U.S. to summer feeding areas off Cape Cod or Atlantic Canada regions with ...