Footage shows a gigantic, adult, 1,653-pound great white shark getting tagged for research last month. The 13-foot, 9-inch predator, Contender, was tagged on Jan. 17 near the Florida-Georgia border, ...

If you're lucky enough to score a diving trip to Costa Rica, who wouldn't snap a few pictures or take a few videos. But a team of student researchers from Stanford's Robotics believe their images ...