Fabrice Pothier, a former director of policy planning at NATO, says the silence from NATO and the EU when it comes to U.S.

If this were any other time, and any other country, the sort of talk we've been hearing from Trump would have drawn howls of ...

Trump has made it official. He could not be clearer. The United States is not obliged to the defence of Canadian or European ...

We live in an era of multipolarity, where American hegemony is contested, and the assumptions that underpinned NATO’s ...

The Europeans are now fully acquainted with our sense of dread. Free trade was already on death row, and now NATO has joined ...

CNN’s Fareed Zakaria weighs in on Russia’s demands to remove NATO troops from Eastern European countries as a condition of ...

General Sir Richard Shirreff, a former NATO deputy supreme commander, told BBC that U.S. President Trump's plans for Ukraine ...

Historian Andrew Gawthorpe says the last few weeks have been a 'tremendously significant moment' with serious implications ...

On the U.S. side, President Donald Trump could present Congress with a treaty similar to the one that ended the Mexican-American War in 1847 that added nine states, including California.

In an exclusive interview, Mette Frederiksen discusses the incident and new transatlantic tensions over NATO and Ukraine.

Ukraine called on its Western backers to provide F-16s, and other advanced fighter jets, long before the aircraft arrived.