Swedish scientists have discovered a new predatory species of herring in the Baltic Sea, which may have implications for the marine ecosystem. The research was published in "Nature Communications." ...

NATO is ratcheting up its guard against suspected attempts to sabotage underwater energy and data cables and pipelines that ...

Numerous incidents of suspected Russian-linked sabotage of undersea cables in the Baltic Sea has seen tensions rise among nearby countries, and an increased Nato presence.

The Estlink 2 submarine cable was disconnected from the grid on December 25, just over a month after two telecommunications cables were severed in Swedish territorial waters in the Baltic Sea.