Baltic Sea

Russia says Western claims of Russian undersea cable sabotage aim to curb sea-borne Russian oil exports

German Chancellor Olaf Scholz said earlier this week that NATO members are looking at targeting Russia's shadow fleet in the area with sanctions as part of efforts to protect undersea critical installations.

Stone Age wall found under Baltic Sea could be Europe's oldest man-made megastructure

The Blinkerwall consists of approximately 1,400 smaller stones intricately positioned to connect almost 300 larger boulders.

In Pics: Citizen divers planting seagrass in Baltic Sea to fight climate change

According to a 2019 study, Europe lost one-third of its seagrass regions between the 1860s and 2016, releasing carbon into the atmosphere and accelerating global warming.

New land, costs as Nordic nations rise from sea

A Stone Age camp that used to be by the shore is now 200 km (125 miles) from the Baltic Sea. Sheep graze on what was the seabed in the 15th century. And Sweden's port of Lulea risks getting too shallow for ships.

Champagne from Baltic Sea shipwreck up for grabs

Two bottles of champagne, thought to be about 200 years old and part of a cache of 150 salvaged from a 19th century shipwreck in the Baltic Sea, will be auctioned in Finland in June.