NATO anti-submarine exercises have begun in the central Mediterranean sea, bringing together ships, submarines and aircraft from ten nations.

Britain's Royal Navy has released a series of futuristic submarine concepts which mimic real marine life forms and radically change the way underwater warfare could look in 50 years.

Argentina gives up on rescuing 44 crew members on a submarine that disappeared 15 days ago, though it will continue the search for the vessel with international assistance, the Navy says.

The ARA San Juan, a navy submarine, disappeared in November 2017. Searches have revealed no trace of the vessel and crew. Argentina's government has offered a 5 million dollar reward for information. The families of the missing say that's not enough.

Life sentence for Danish submarine entrepreneur who murdered Swedish journalist

Even after extinguishing the fire, the soldiers died from smoke inhalation. Authorities have launched an investigation "to establish the cause of the incident."

Following a deadly fire on a Russian nuclear submarine, Russian authorities laid the bodies of 14 naval officers to rest in St. Petersburg. The Kremlin has stayed tight-lipped over the incident.

A small submarine with four crew members that were captured on Saturday by a Peruvian Navy patrol was transporting more than one ton of cocaine to Mexico, the Peru prosecutor's office said Wednesday.

Danish police managed to recapture Peter Madsen, one the country's most notorious criminals after he fled prison. Madsen had been convicted of killing a Swedish journalist on a mini-submarine he designed himself.

Taiwan President Tsai Ing-wen kicks off construction of the island's first indigenous submarine at a Kaohsiung shipyard, the latest move by the out-gunned democratic island to bolster its defence capabilities against increasingly bellicose threats from Beijing.

The Colombian Navy has seized a narco submarine transporting several packages of cocaine. The vessel belonging to an armed group of dissident FARC guerillas was discovered in the Pacific Ocean on its way to the coast of Mexico.

Authorities said they recovered debris that indicated the submarine with 53 crew members sank. The submarine's oxygen reserve was estimated to run out early Saturday.