A manta ray nicknamed ''Freckles'' by locals in Australia figured out a way to get help when she got injured: approach some divers. Jack Whilton, an underwater photographer and guide, was diving with ...

It all began with a simple question: Why don’t manta rays clear their throats? The car-size, kite-shaped fishes filter their plankton food from seawater, but they don’t pause, close their mouths and ...

Manta rays were built for speed — and to filter feed. The aerodynamic ocean dwellers efficiently separate plankton from seawater using a previously unknown kind of filtration system that resists clogs ...