President Donald Trump said his wife, Melania, is helping him with decisions about Russia. This week, he shared plans to send missiles to Ukraine and set a deadline for Russia to stop fighting.

The West is waging a full-scale war against Russia, and Moscow should respond in full, former Russian president Dmitry Medvedev has said.Mr Medvedev, now deputy chairman of Russia's Security Council,

Armenia has signalled it could quit the Collective Security Treaty Organization (CSTO), a security bloc seen as Moscow's version of NATO, after a peace treaty with Azerbaijan

Vladimir Putin: inscrutable, macho, unpredictable. This is how we portray Russia's leader. But the former KGB agent turned president is an enigma.

Vladimir B. Pastukhov, a Russian political scientist and lawyer, said Mr. Putin’s escalations “run counter to his own intuition” and seriously limit his policy options by backing him into a ...

President Donald Trump announced this week that the U.S. will send Patriot air-defense missiles to Ukraine and threatened new tariffs on Russia. Will Vladimir Putin back down? What should Trump's next move be? And what does the future hold for Ukraine? Newsweek contributors Daniel R. DePetris and Dan Perry debate:

Experts fear Russia could emply battlefield nuclear weapons in Ukraine after being given 50 days to stop the fighting by the US

The president left the door open for talks with his Russian counterpart but complained about Russia’s continued aerial attacks on Ukraine.