Every Ukrainian agrees that giving up its "significant stockpile" of nuclear weapons after the Soviet Union fell was a ...

U.S. President-elect Trump, who has vowed to swiftly end the conflict, is returning to the White House at a time of Russian ...

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

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

Russian President Vladimir Putin has approved changes formally lowering the threshold at which his country can consider a ...

"The right arises to launch a retaliatory strike with weapons of mass destruction," Dmitry Medvedev said on Tuesday.

Ukraine is has fired British long-range Storm Shadow missiles into Russia for the first time, according to reports, as ...

President Vladimir Putin's spy chief warned the West on Wednesday that it risked disastrous consequences if the United States ...

Vladimir Putin’s war on Ukraine is escalating after months of bloody attrition.Most Read from BloombergParis to Replace ...

WASHINGTON − Ukraine carried out its first strike using long-range U.S.-provided missiles on Tuesday. Later, Russian ...

The U.S. embassy in Ukraine says Russia could launch a "significant air attack" on Kyiv after U.S.-made missiles were fired ...

Long-range British Storm Shadow missiles have reportedly been fired into Russia by Ukraine for the first time. The weapons ...