Iran has been a daily zig zag of messages, one day trumpeting negotiations with the West as possible, the next day saying its ...

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Russian forces proceeded to violate that agreement and, after taking additional territory, halted—leaving an uneasy truce in ...

"We're really on a knife-edge here," said Calder Walton, a historian specializing in intelligence at Harvard University's ...

The United States’ failure to field a credible, theater nuclear-deterrence capability is destabilizing and puts the United States at a disadvantage with its adversaries in Beijing, Moscow, and ...

Washington is winding down its European security contributions and backing away from Ukraine. Europeans could learn from ...

BRUSSELS (AP) — Poland and Baltic nations welcomed Thursday a proposal by French President Emmanuel Macron to launch talks ...

In seeking an accord with U.S., Beijing wants to avoid becoming isolated like the Soviet Union during the Cold War.

NATO's early 1990s push to involve itself in humanitarian interventionism gave Vladimir Putin the excuse he wanted to attack Ukraine.

Threats of territorial conquest are once again becoming a central part of geopolitics, driven by a new phase of great-power ...

Europe is scrambling to react effectively the relentlessness, and pace, of change in Washington, writes Europe editor Katya Adler.

Ukraine didn’t ask to be invaded, and it shouldn’t have to beg for aid. America’s prosperity and security rest on the fragile ...