"The armed forces' jet fighters and warships met up with the submarine .... and are now following it," Sweden's armed forces ...

The Swedish military deployed fighter jets and a warship to shadow a Russian submarine after it entered the Baltic Sea on ...

Russian MiG-31 jets entered Estonian -- and therefore NATO -- airspace over Vaindloo, remaining in the airspace for 12 ...

Hundreds of tankers, whose owners are hidden behind shell companies, have enabled Russia to sell 60% of its oil. Moscow has ...

Critical undersea cables are being damaged in the Baltic. Who's behind the breaks is a mystery, but Finnish Prime Minister ...

The Russian submarine Novorossiysk, an Improved Kilo-class vessel, has been forced to limp home to the Baltic after a ...

Not so much The Hunt for Red October as a hunt for the nearest mechanic. Thus guffawed Nato secretary general Mark Rutte at ...

The European Union is preparing legal grounds for stopping tankers of Russia's "shadow fleet" in the Baltic Sea. The head of ...

This was the latest event after a series of incursions by Russian military aircraft into NATO airspace in September, leading ...

Investigative project Tochnyi reported in August that Russia's development of the site had been proceeding quickly near the Baltic Sea, which has been dubbed a NATO lake following the alliance's ...

Other incidents include weapons being aimed at Danish naval vessels and disrupted navigation systems. Read more at ...

While tensions between Russia and NATO are building up in the Baltic Sea, Europeans are still busy cleaning up the mess World War II left behind in the ocean.