Christine Dawood (pictured) was left devastated after Shahzada Dawood, 48, and Suleman Dawood lost their lives on the ...

After some much-needed upgrades and a full series of tests, one of the U.S. Navy's most capable subs is now back in service.

The unmanned sea drones will be able to detect mines, harass enemy submarines and broaden the Navy’s ability to monitor vast ...

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China's submarine fleet has always been big, but it's also comprised mainly of vessels with diesel-electric submarine engines, and that class of subs needs to surface regularly to recharge its ...

Bebe took in the sights surrounding him — saltwater, parrotfish, coral reefs and bubbles. Unbeknownst to the parrot, he might’ve been the first of his species to spend time underwater in the Atlantic ...

Russia deployed three submarines to spy on the UK’s critical undersea pipelines in the northern Atlantic, British officials revealed on Thursday. UK Defense Secretary John Healey called out Russian ...

U.K. Defense Minister John Healey warned Russian President Vladimir Putin of "serious consequences" Thursday after revealing a weeks-long military operation to deter Russian meddling in the North Sea.

The Royal Navy has deterred Russian submarines identified in the vicinity of undersea cables and other critical under water infrastructure. A Russian attack submarine and specialist submarines from ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The United Kingdom has thwarted a Russian submarine operation targeting ...

LONDON—Britain’s military exposed a monthlong, secret Russian submarine operation carrying out “nefarious activity” against the U.K.’s critical undersea infrastructure like pipelines and ...

SYDNEY—From the Baltic Sea to the Pacific Ocean, a global scramble is under way to protect submarine cables vulnerable to potential sabotage. Governments, militaries, cable owners and tech startups ...