The Baltic Sea has become a major area of concern for NATO. Over the past year, undersea pipelines and communication cables ...

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

A research team led by the Leibniz Institute for Baltic Sea Research Warnemünde (IOW) was able to revive dormant stages of algae that sank to the bottom of the Baltic Sea almost 7,000 years ago.

For decades the Baltic Sea has served as a delicate buffer zone between a growing number of NATO members and Russia, more ...

One of the Kremlin’s newest threats, according to NATO, is targeting undersea cables carrying vast quantities of data and ...

WSJ unpacks the allegations of sabotage that have turned the Baltic Sea into the focal point of Moscow’s hybrid war with NATO. Photo Illustration: Louisa Naks Just after midnight on Dec. 26, a ...

The Baltic Sea is contaminated with remnants of munitions from past wars, but many questions remain about the exact locations ...

In the brackish waters of the Baltic Sea, bladderwrack is the dominant seaweed species as it is one of the few seaweed species that can tolerate low salinity.

It is estimated that around 300,000 tonnes of unexploded ordnance (UXO) remain in the German Baltic Sea. Most of this originates from deliberate dumping after the end of the Second World War.