Joe Biden is expected to unveil new sanctions targeting Russia's economy as part of measures to bolster Kyiv's war effort before Donald Trump takes office.

WASHINGTON -- Russia would consider the White House's authorization for Ukraine to use U.S.-made longer-range weapons within Russia to be a "qualitatively new round of tensions" between Moscow and ...

Borders, security guarantees, the fate of frozen Russian assets and the prospects for joint U.S.-Russian investment ventures ...