Watch how dolphins trained by the U.S. Navy help detect dangerous underwater threats. These highly intelligent marine animals use powerful echolocation to locate enemy divers, underwater mines, and ...

Tsukuba, Japan—The underwater dolphin kick is a swimming technique in which propulsion is generated solely through the undulatory motion of the lower limbs, increasing swimmers' speed by moving the ...

From playful experiments to impressive control, dolphins can blow stunning underwater bubble rings with ease. Watch the magic ...