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

Rescuers spent nearly 12 hours in extreme weather and rugged terrain to save a hiker at Andrew Molera State Park in Monterey ...

Charlie Jacobsma slapped the surface of a pool enclosure at Chicago’s Shedd Aquarium and scanned the water for movement.