The security manager had spent the day monitoring reporters near the Ukrainian front lines, or others in Kyiv who’d taken ...

Britain's outgoing spy chief, Richard Moore, warned Friday that Russian President Vladimir Putin has shown no intention of ...

Russian fighter jets entered Estonian airspace on Friday in a significant escalation that threatens war with Europe—and the ...

The head of Britain's foreign intelligence agency says there is "absolutely no evidence" that Russia's Vladimir Putin wants ...

President Donald Trump calls Russian leader Vladimir Putin's response to peace efforts a letdown during London press ...

President Vladimir V. Putin of Russia said on Monday that the Kremlin was ready to limit the number of its deployed nuclear ...

New sanctions and frozen Russian assets are potential game changers — but only if Kyiv’s allies make use of them.

Vladimir Putin has made an offer on nuclear weapons to Donald Trump. In Europe, Germany has revealed its casualty estimates ...

The New START, signed by then U.S. President Barack Obama and Russian counterpart Dmitry Medvedev, limits each country to no ...

Ukraine's leader to push for "robust action" against Russia at U.N. gathering, as America's NATO partners accuse Putin of dangerous incursions, and lies.

The New START deal, signed by then-US and Russian presidents Barack Obama and Dmitry Medvedev, limits each country to no more ...