The 240-year-old Pittsburgh Post-Gazette is shutting down following a protracted labor battle and court rulings favoring its ...

The pressure hulls of U.S. Navy nuclear submarines consist of many steel plates joined by precision manual or robotic welding ...

National-security officials say Chinese submarines and icebreakers pose a new military threat from the High North.

An autonomous submarine named Ran discovers strange structures under the Dotson Ice Shelf in Antarctica, before mysteriously disappearing.

For countries like Poland, having eyes on and under the Baltic is a pressing matter of national security. The sea teems with telecoms and energy infrastructure. A natural-gas pipeline, the ...

South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Having Seoul become the seventh country in the world operating ...

Screenshot depicting an explosion at Russia's Novorossiysk port on an unspecified date. The Security Service of Ukraine (SBU) said on Dec. 15, 2025, that it struck a Russian submarine pictured in the ...

Ukraine has carried out a successful underwater drone strike on a Russian submarine in the port of Novorossiysk, causing critical damage to the vessel, its domestic security service says. In a ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

Ukraine’s domestic security service, the SBU, said Monday that it had carried out an attack on a Russian submarine in the Black Sea port of Novorossiysk, causing critical damage to the vessel and ...

A sketch of the 212CD submarine design, which Norway has decided to procure. (TKMS via the Norwegian Ministry of Defence) PARIS — Norway plans to spend 65 billion Norwegian kroner, or $6.4 billion, to ...