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 ...

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 ...

Volodymyr Zelensky has arrived for an intense round of diplomacy at the UN general assembly in New York, where he is set to meet US president Donald Trump. The Ukrainian president has already met with ...

Russian President Vladimir Putin on Monday offered to voluntarily maintain the limits on deployed strategic nuclear weapons ...

President Vladimir Putin has concluded that military escalation is the best way to force Ukraine into talks on his terms and ...

They know by now that, at the moment, Russian President Vladimir Putin is not interested in stopping his offensives, and they fear that shifting American priorities may leave Ukraine without a ...

Vladimir Putin openly defied Donald Trump by unleashing an onslaught of blistering strikes against Ukraine in the early hours ...

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

"Now, more than ever, it is vital that Ukraine remains at the forefront of global debate," writes Richard Branson.