Nassau County increases shark surveillance and safety measures at Jones Beach after a recent shark bite incident.

A group of fishermen encountered a great white shark off the coast of San Diego over the weekend. Dustin Sergent, a fly fishing captain, recorded the video on his phone, showing how close the shark ...

Dr. Mike Heithaus, a marine ecologist and host of the new National Geographic show, “Investigation Shark Attack,” discusses how to remain safe the next time you head to the beach.