Suspicious Russian tankers keep slashing Europe’s internet and power cables. It’s not an act of war … but someday it might be ...

Norway has decided to make a major move to increase its military strength. The country is planning to buy 24 more K9 Thunder ...

Russian tankers from the so-called shadow fleet used false certificates to pass through NATO waters in the Baltic Sea. The ...

Researchers have successfully revived algae that remained dormant underneath sediment at the bottom of the Baltic Sea for ...

In the Baltic Sea, undersea cables and pipelines that power homes, connect data, and sustain economies are reportedly being ...

Discarded explosives were dumped into the Baltic and North seas after World War II. Their deadly legacy is still with us.

Experts said damage to undersea pipes and cables could disrupt energy supply and communications systems. One senior MP warned ...

The Korea Coast Guard said they had found two tons of what they suspect to be pure cocaine on a Norwegian-flagged ship.

NBC News joined a NATO flotilla as it sailed the icy sea hunting Russian saboteurs accused of targeting undersea cables.

The assignment was part of a new program aimed at suspected Russian sabotage. None has occurred since NATO began patrols.

Denmark is boosting its navy amid rising threats from Russia in the Baltic Sea, as well as intensifying rivalries in the Arctic.

Researchers have successfully revived dormant algae that sank to the bottom of the Baltic Sea nearly 7,000 years ago.