Andrei Kelin tells the BBC's Laura Kuenssberg he does not deny accusations of attempting to spy on UK nuclear submarine fleet.

In May 1969, the U.S. Navy’s nuclear-powered attack submarine USS Guitarro sank at Mare Island Naval Shipyard in California ...

Trump’s pick to lead the U.S. nuclear weapons agency faced Senate questions over workforce cuts, morale issues and the future of nuclear weapons testing.

During a meeting on Friday, Putin confirmed that the funds would be used to upgrade Russia's naval vessels and aircraft.

Putting a European in place as the leader of Nato forces might seem like an easy option, but there are several major issues.

Equipped with MK48 heavy torpedoes and Tomahawk cruise missiles, fast-attack subs like the Virginia-class can rain terror on ...

The US Navy (USN) is facing delivery delays and cost concerns with its programmes to build nuclear-powered submarines and ...

Undersea warfare training is critical for Australia to maintain vital supply lines, the country's military said.

"The role of the fast attack submarine is so dynamic that everything changes on a dime," U.S. Navy Commander Jeffrey ...

The sale of nuclear-powered submarines to Australia under the AUKUS treaty faces new doubts as U.S. President Donald Trump's ...

The lead ship in the Columbia class of nuclear submarines is facing delivery delays of up to 18 months, and “critical path ...

The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.