Tens of thousands of Ukrainian soldiers are at risk of being encircled, open-source maps of the battlefield show.

Donald Trump, the real estate developer turned commander in chief, is laying bare his style of diplomacy in the early weeks of his new term: It’s a whole lot like a high-stakes business deal, and his ...

President Trump, the real estate developer, is showing his style of diplomacy in the early weeks of his second term: It’s a ...

The Trump administration is negotiating the return of more Russian diplomats to the United States. Some are likely to be ...

Ukraine’s presence in Russia’s Kursk region has deteriorated sharply, with the advance threatening Kyiv’s sole territorial ...

At what could be a crossroads in relations between Moscow and Washington, Russia has appointed a new ambassador to the United States. Here’s a look at Aleksandr Darchiyev, who has spent over a decade ...

Everyone should understand that if the liberal order falls, the nonproliferation regime would fall with it. And the powers ...

Historians like to play a parlor game called periodization, in which they attempt to define an era, often by identifying it ...

Europe is at a crucial juncture of its history. The American shield is slipping away, Ukraine risks being abandoned, and ...

Veteran journalist Craig Unger has tracked Trump’s relationships with Moscow for years He laid out evidence that Trump was ...

Unpredictability has long been one of President Donald Trump’s strongest assets. The uncertainty that follows is one of his most confounding.