After a series of suspected undersea cable cuttings, NATO has launched a new surveillance and deterrence mission to protect critical infrastructure under the Baltic Sea.

The Kremlin said on Wednesday that Russia would defend its ships using the Baltic Sea with all means available and that a failed Estonian attempt to seize a tanker ...

300,000 Tonnes of Unexploded 'Bombs' Were Dumped Into the Baltic Sea 80 Years Ago — Now, It's a Big Problem The deep blue waters of the Baltic Sea, home to a vibrant ecosystem and an economic ...

Russia is repairing a telecoms cable in the Baltic Sea that suffered an outage last month, Finland said on Monday, adding the problem may be linked to other recent cases of damage to subsea ...

Sweden's submarines are small and quiet, perfect for the Baltic Sea that many NATO allies share with Russia.

A stone age wall discovered beneath the waves off Germany’s Baltic coast may be the oldest known megastructure built by humans in Europe, researchers say.

Two days earlier, two British Typhoons left the same airbase to intercept a Russian Ilyushin Il-20M intelligence aircraft over the Baltic Sea, the ministry said.

Swedish police are investigating the suspected sabotage of a water pump that could've led to serious consequences for those on the island of Gotland in the Baltic Sea. Police said technicians ...

NATO Secretary General Mark Rutte said Friday that the military alliance will step up patrols in the Baltic Sea region as Finnish investigators work to establish whether a ship linked to Russia ...

Opening in stern for large towed array on Russian Navy Project 1454 Mod Sorum-class research/intelligence-gathering ship Tchusovoy GS 31, seen here on a rare voyage to the Baltic on 13 May 2024.

NATO is continuing to build the output of its new ‘Baltic Sentry' maritime surveillance activity, as it seeks to deter threats to critical undersea infrastructure (CUI) in the Baltic Sea.