Flight data showed how American and British reconnaissance aircraft flew from England toward Russia on Monday.

As Trump demands a deal to end the Ukraine war in 50 days, Russia's deputy foreign minister says "demands, especially ultimatums, are unacceptable."

Ivo Daalder, a senior fellow at Harvard Belfer Center, says that President Donald Trump realizes that he needs to change course because the Russian leader has been playing him "for years."

President Donald Trump has softened his stance on NATO. He once called the Western alliance "obsolete." Now, he says, it's the "opposite of that."

Poland and the Baltic states also withdrew from the Ottawa Convention despite pleas from some leaders to maintain decorum in the face of Russian aggression.

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for Russian trading partners.

Russia plans to scrap its sole aircraft carrier, Admiral Kuznetsov. This move impacts Russia's naval power. The US and NATO lead in naval aviation. Russia focuses on ammunition production. China and India have growing carrier capabilities.

NATO's surprising move after Ukraine attack stuns Europe and the shocking decision will completely change everything you thought you knew.