Europe’s defense unity is fractured as Trump’s stance revives Cold War divisions, with Eastern Europe fearing Russia.

The publication of the detailed analysis was a sign that a cease-fire has gone from a theoretical exercise to an urgent and ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

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Members of the so-called Five Eyes spy alliance, as well as Israeli and Saudi officials, fear the identities of foreign ...

"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 ...

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 ...

Old and young, healthy and sick, men and women, and even infants and infirm, were killed in cold blood. They were not ...

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 ...