As more and more "historical" checklists are added to the platform, birds we've lost now mingle with those still hanging on.

Thanks to the development of a special tracking collar, scientists are now reviewing data to understand the lives of ...

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, ...