A holidaymaker who was onboard the ill-fated Sindbad submarine, which tragically sank killing six passengers three days ago, ...

After 204 days, a Royal Navy nuclear-powered submarine broke the record for how long a crew was out on the open ocean.

Four people were killed Thursday when a tourist submarine sank off Egypt’s Red Sea resort city of Hurghada, according to a ...

The submarine sank around one kilometre (0.6 miles) off the coast of the Egyptian Red Sea city of Hurghada, the BBC ...

Ships and subs at sea are surrounded by billions of gallons of water, all of it undrinkable because of its high salt content.

Egypt tourist submarine crew questioned over sinking that killed six including two children - Five Egyptian crew members of ...

Groton-based General Dynamics Electric Boat has been awarded a contract modification worth about $1 billion for work on ...

The accident happened off the coast of Hurghada - the Russian embassy in Egypt says all the tourists on board were Russian.

THIS is the horrific moment the Sindbad submarine disaster unfolds as the vessel plunges beneath the waves with its hatches ...

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.

The Iowa "will project the kindness and protective capability of our people, backed up by resolve to act" when needed, writes ...

The submarine named for the state of Iowa officially will be accepted into service at 9 a.m. Iowa time April 5 into the U.S.