NATO Secretary-General Mark Rutte on Friday said the alliance will increase patrols in the Baltic Sea region after Finland seized an oil tanker suspected of having damaged undersea power and ...

Eutrophication and rising water temperatures are taking an increasing toll on the Baltic Sea, leading to dangerous ... oxygen minimum zones continue to expand. For their new study, researchers ...

FRANKFURT, Germany — Finnish authorities have detained a Russia-linked ship as they investigate whether it damaged a Baltic Sea power cable and several data cables, according to police and news ...