Swedish police officers are probing a suspected sabotage incident on the island of Gotland in the Baltic Sea—which is ...

The alliance wants to ensure that it can monitor ship traffic near sea floor cables and other maritime infrastructure.

The formal entry of Finland and Sweden into the North Atlantic Treaty Organization (NATO) over the past two years enhanced alliance security, but it also revealed a strategic myopia: demands that each ...

The new NATO naval drone initiative, known as Task Force X, is intended to prevent Russian aggression and sabotage.

"We take all reports of possible damage to infrastructure in the Baltic Sea very seriously," Sweden's prime minister said.

A Russian warship was spotted escorting a cargo ship near the U.K. just two weeks after the British Royal Navy tracked other Russian ships.

Attempted sabotage on the Baltic Sea island of Gotland might have targeted its water supply over the weekend, according to ...

The Baltic Sea faces increasing threats to its underwater infrastructure, prompting Nordic-Baltic nations to explore legal ...

The bloc announced new steps to prevent threats to undersea lines after Sweden discovered damage to one east of Gotland ...

Swedish police said on Friday they were investigating a suspected case of sabotage of an undersea telecoms cable in the ...

Taiwan's coast guard said it was investigating whether the incident was sabotage but said "it cannot be ruled out that it was ...

In this week's newsletter, how the Baltic Sea countries are looking into protecting undersea infrastructure and the EU's new ...