By Trevor Hunnicutt, Steve Holland and Jeff Mason WASHINGTON, Dec 15 (Reuters) - Ukraine could receive security guarantees ...

Former Swedish Foreign Minister Tobias Billström said after the Ukraine war, Europe must be ready for further Russian ...

MOSCOW, Dec 14 (Reuters) - The Kremlin said on Sunday that NATO Secretary General Mark Rutte's remarks about preparing for ...

The NATO issue is what the Kremlin describes as one of the "root causes" of its war in Ukraine.

The Baltic states jointly announced new fortifications on their borders with Russia nearly two years ago.

Russia's growing aggression prompts NATO warning as recent railway blast in Poland and airspace violations signal escalating ...

Negotiations on finding peace between Russia and Ukraine are inching forward. Newsweek's live blog is closed.

U.S. administration officials signaled Monday a peace deal between Russia and Ukraine may be closer than ever.

Sergey Ryabkov told ABC News Moscow cannot compromise on key territories.

The sweeping peace framework features “Article Five-like” security guarantees, a multibillion-dollar rebuilding plan, ...

Opinion: The tragedy of NATO expansion lies not in beginning it, but in never considering when and where it might end, argues ...

Ukraine claimed it carried out an underwater drone strike on Dec. 15, the first such attack in maritime warfare, that ...