The president's comments to reporters in Ireland come as the average price of diesel in the U.S. climbed above $6 a gallon.

Poland and Ukraine have accused Russia of “escalation” following Russian strikes on a train close to the two countries’ border. Former British Prime Minister Boris Johnson and ex-US CIA director David Petraeus were at a border train station nearby around the time the train was hit, Ukraine’s rail operator said Sunday.

Economic unease is growing among Russian workers as fuel shortages and Ukrainian drone strikes disrupt key sectors of the economy. Ed Butler examines the pressures facing businesses, workers and consumers,

Russian President Vladimir Putin warned that sending European troops into Ukraine would amount to direct conflict with Russia.

A DEADLY shadow war has made its way from the battlefields of Ukraine and onto the streets of Russia. The Kremlin’s top brass are now in the crosshairs of Ukraine’s hit squads – and

Russia’s new jet-powered Geran-4 and Geran-5 drones have pummeled Ukrainian cities in recent weeks, evading air defences at a much higher rate than their propeller-driven predecessors to pose a major new threat.

This hybrid campaign is all the war Russia wants or needs—and stoking fear that Moscow just might directly strike Ukraine’s European allies is part of it. If this is what Russian President Vladimir Putin is really up to in Europe,

Russia's war, permanently higher defense spending and uncertainty over U.S. commitments are narrowing the choices facing whoever wins Sunday's election.

While Russia’s full-scale invasion of Ukraine continues, China has expanded its presence in Central Asia’s defense market.