Nvidia helped pull U.S. stock indexes higher after they stumbled in the morning on worries about escalations in the Russia-Ukraine war. The S&P 500 rose 0.4% Tuesday. The Nasdaq composite ...

President Vladimir Putin has approved changes to Russia’s nuclear weapons policy, and Moscow has urged the West to study them ...

Guardian understands missiles have been used for first time the day after US-made missiles hit Russian targets. UK and ...

Ambiguity is a strategy that has been pursued by Ukraine's allies in the course of the war, says security and defence editor ...

World stocks are mixed despite gains on Wall Street, as worries mount over escalations in the Russia-Ukraine war. U.S.

World leaders and analysts expressed doubts Wednesday that the change to Russia's nuclear doctrine amounted to much more than ...

President-elect Donald Trump, ahead of his return to power in January, is announcing who he wants to fill Cabinet positions ...

“Putin has not made any final decision” on his approach to peace talks, said Sergei Markov, a former Kremlin adviser. “He ...

The U.S. Embassy in Kyiv says it will shut its doors after receiving warning of a potentially significant air attack.

In a policy reversal, the Biden administration will give Ukraine antipersonnel land mines to defend against Russia.

The warning arrived amid fears that the war could escalate, a day after Ukraine's military first launched U.S.-made ...