Northrop Grumman's massive Manta Ray underwater test bed completed ... the prototype is seen just below the surface of the water, with one fin and part of its almond-shaped body breaking through.

A US military submarine that looks like a giant metal manta ray and is currently under development passed ... "Manta Ray" ...

The giant fish faces threats from poachers, boat strikes and climate change Photographs by Alex Mustard Text by Terence Monmaney After the manta ray filters out the tiny plankton from the water it ...

The Indian Ocean is the third largest body of water ... an ocean under threat from global issues such as over-fishing and climate change, which make this an ocean on the edge. The manta is the ...