A bipartisan U.S. bill that would hit Russia with sanctions in a bid to pressure Moscow into good-faith peace negotiations with Ukraine has gained momentum this week in Congress, but it still lacks the presidential push it needs to get over the finish line.

A new book alleges that President Donald Trump told donors he threatened Russian President Vladimir Putin with bombing Moscow if Russia invaded Ukraine.

Flattery and pressure — coupled with President Trump’s growing dissatisfaction with President Vladimir V. Putin — have helped build momentum for new economic punishments.

Former Vice President Mike Pence says he thinks isolationists “may have lost some of their footing” in President Donald Trump’s administration, as he praised Trump’s tougher talk toward Russia’s Vladimir Putin and his decision to bomb Iranian nuclear facilities.

Latest news and live updates as Marco Rubio meet with Russian foreign minister amid tensions over Ukraine and Trump releases tariff letters to trading partners.

Following the Pentagon announcing a pause on weapons, the U.S. president said Ukraine must defend itself from Russia.

A detailed timeline of events shows the White House was aware of an ordered pause in weapons to Ukraine in real time and Trump's decision to reverse the action.

Russian President Vladimir Putin’s forces launched a massive aerial assault on Ukraine early Thursday for the second time in two days.