Contender, a 1,653-pound great white shark, tracked by OCEARCH, pinged again off the Florida coast on Valentine's Day, Feb. 14.

Half of the unprovoked shark attacks in the U.S. last year took place along the Florida coastline, new data shows.

Undersea mountains are key locations for predators—with 41 times more sharks than the open ocean, new research shows.

In addition to identifying python hot spots, researchers found the optimal time of day and the best time of year for hunting ...