Fears have revived that Russia will move on other near neighbours. Here’s how those nations preparing for the worst.

MILAN — U.S.-based Saildrone deployed a handful of unmanned surface vessels as part of NATO’s Task Force X demonstration in ...

This rocky island may be Europe's quirkiest borderland. It's shared by two countries, barely inhabited, and small enough to ...

The Kremlin seeks to marginalize and delegitimize nations once colonized by the U.S.S.R., including Lithuania, Estonia, ...

The Baltic Sea is better known than the North Sea for highlighting the vulnerability of the alliance's critical undersea ...

Analysts have been tracking Russian electronic warfare from across the Gdańsk Bay, pinpointing familiar sites in Kaliningrad.

The strikes targeted several regions, including western Ukraine, far from the front lines. Officials confirmed three deaths ...

Lithuania, along with Latvia, Estonia, Finland, and Poland, has notified the United Nations of its decision to exit the treaty banning anti-personnel landmines. This move, approved by their ...

A Russian shadow fleet tanker under international sanctions sailed through the Baltic Sea and into Russian territorial waters using fraudulent registration, according to analysts tracking maritime ...

As countries race to power artificial intelligence, a yawning gap is opening around the world.