Europe’s military heavyweights have already said that meeting President Donald Trump’s potential challenge to spend up to 5% of their economic output on security would be challenging ...

NATO allies must pay their "fair share" on defence before considering enlarging the alliance, a US presidential envoy said Thursday, as NATO's chief said members will need to ramp up defence spending.

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

By Darya Korsunskaya, Guy Faulconbridge and Gleb Stolyarov MOSCOW (Reuters) -President Vladimir Putin has grown increasingly ...