Defense Secretary Pete Hegseth hammered home a message upon arrival at NATO headquarters Thursday that allies need to show ...

A little earlier, German defence minister Boris Pistorius said he welcomes a possible quick peace treaty between Russia and ...

European natural-gas prices plunged after the U.S. and Russia agreed to start talks to end the war in Ukraine, raising prospects that the Kremlin’s flows to the continent will resume.

Concern that President Trump and President Vladimir V. Putin of Russia might sideline Ukraine in discussions to end the war also appeared to bubble up at a NATO meeting in Brussels.

President Donald Trump’s phone call to Russian President Vladimir Putin on Wednesday has deeply rattled Kyiv and its European ...

Deterring Russia from re-invading Ukraine, once this war ends, could require 150,000 troops and American help with air cover, ...