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:

A bipartisan coalition has joined forces to push aggressive new sanctions on Russia and believe the souring relationship between President Trump and Vladimir Putin has created a new opening.

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,

Explosions rocked Kyiv and multiple other regions in the early hours of July 16, with Ukraine's Air Force issuing repeated warnings of drone and missile strikes across the country, including western o

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

In the 18th round of sanctions on Russia over its war on Ukraine, the European Union (EU) has targeted Vladimir Putin’s income from oil sales. The EU has sanctioned an Indian refinery for the first time in which Russia has a 49% stake.

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