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.

Ukraine is benefiting from Donald Trump's frustration with Vladimir Putin, but his first six months in office show that no one knows if it will last.

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

President Trump said Monday his administration will send more defensive weapons to Ukraine amid its war with Russia, days after pausing some weapons shipments.

President Trump announces arrangement where NATO pays for US weapons sent to Ukraine, as Russian strikes intensify across Ukraine, including an attack on a maternity hospital.

The arrangement allows Ukraine to get weapons it needs in its war with Russia while providing a way for Europe to increase its defense spending as promised.

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

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.