GPS doesn't work when submarines submerge, instead crews rely on the Inertial Navigation System, tracking the submarine in relation to its starting point.

Diver Jean Kikine heard the unmistakable 'ping' of a submarine's active sonar while diving in the Bahamas and caught it all ...

Sea Guru II, an underwater robot designed by researchers at Westlake University in east China's Zhejiang Province, is seen before a 2,000-meter deep-sea trial ...

Five underwater drones found by Filipino fishermen were capable of aiding “underwater warfare” and at least one sent signals ...

USS Connecticut suffered significant damage during the incident and several sailors onboard reported injuries.

NASA's SWOT satellite has revealed unseen ocean depths, mapping seafloor features that shape life, currents and tectonics.

Commander, (DESRON) 15 hosted its Annual Anti-Submarine Warfare (ASW) Symposium March 25th to March 27th in Yokosuka, Japan.