The Russian agencies, quoting documents associated with the launch, said the Perm is the first nuclear-powered submarine to ...

The world's oceans are changing, with rising temperatures and different salinity levels. Submarine warfare could be directly affected, and it could be harder to detect the vessels in some areas.

A tourist submarine sank on Thursday during a routine underwater sightseeing tour off the coast of Hurghada, a popular Red Sea resort city in Egypt, killing at least six Russian nationals on board.

A recreational submarine taking 45 tourists on an underwater cruise of coral reefs in the Red Sea sank off the Egyptian resort town of Hurghada on Thursday, leaving six Russians dead, the ...

Six tourists were killed — including two children — and nearly 30 others injured when a tourist submarine sank off Egypt’s Red Sea coast early Thursday, officials said. Some 45 tourists were ...

At least six Russian tourists, two of them children, died when an Egyptian commercial submarine carrying 50 people sank in the Red Sea near the resort city of Hurghada. The Red Sea Governorate ...

At least six people have been killed after a tourist submarine sank off the popular Egyptian Red Sea destination of Hurghada, according to local authorities. Egypt’s Red Sea governorate ...

Several people have been killed or injured after *** tourist submarine crashed off the coast of the city of Hurgada on the Red Sea in Egypt. The crash occurring at about 10 a.m. local time ...

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