Higher carbon-dioxide levels in the atmosphere change all these things. The gas’s mere presence acidifies seawater. Its ...

Submarines need to operate stealthily and quietly. In some areas, warming waters and changing salinity levels could make that easier.

Imagery released by the U.S. Navy shows the aircraft carrier, USS Carl Vinson, was in the Sea of Japan near Russia earlier ...

North Korean leader Kim Jong Un has overseen tests of newly developed AI-powered suicide drones and called for their ...

Six tourists died on Thursday when a tourist submarine sank off the resort of Hurghada on Egypt’s Red Sea coast, state media ...

Off the coast of Devon for the past few weeks, an autonomous submarine that may one day protect UK waters has been quietly ...

A SHAPESHIFTING robot submarine has reached Earth’s deepest point – 36,000ft underwater – in search of deep-sea “aliens”. The ...

Scientists using a submersible robot discovered patterns under the Antarctic ice that have never been seen before by humans.

A new positioning system that allows unmanned surface vesels to operate in GPS-denied environments is now operational within the Navy -- a landmark in the service’s efforts to boost navigational ...

Liberal Leader Mark Carney pledged to buy new submarines, fleets of drones and more heavy-duty icebreakers while hiking pay ...

"Future state or non-state sabotage, espionage, military attack or cyberattack against cable networks could potentially leave ...

The Navy was the big winner when teams of national security experts were tasked with finding and reallocating $50 billion in ...