Investigations continue after at least six Russian nationals die, dozens wounded, following sinking of a tourist vessel.

Egypt’s Red Sea governorate confirmed that six Russians died and that 39 foreign tourists were rescued after the submarine ...

A submarine carrying Russian tourists sank off Egypt’s Red Sea coast on Thursday, leaving at least six people dead and rescue ...

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.

The Kalibr cruise missile, which has a range of up to 1,550 miles, has seen extensive use in strikes against Ukraine.

Six foreigners, whose nationalities are still unknown, were killed on Thursday when a tourist submarine sank o ...

Despite centuries of efforts to map our planet precisely, our view of the world will always be political and imperfect.

To the left, the distant outline of Holy Island rises from the sea, while to the right, Bamburgh Castle dominates the skyline. The soft, golden sand is largely free of seaweed or debris ...

The UK government has outlined its ongoing efforts to enhance maritime surveillance and safeguard undersea infrastructure, in response to concerns over recent submarine activity and the security of ...

WASHINGTON — South Carolina-based Navy contractor KEEL is planning to invest $70 million in three new facilities totaling 60,000 square feet focused on submarine and aircraft carrier component ...

Once hailed as an unsinkable nuclear beast, the Kursk submarine became a death trap for its crew. A catastrophic explosion sent it plummeting to the ocean floor, sealing their fate forever.