After European leaders stepped up military spending, President Trump aligned himself more closely with them on the war. But his tariff threats have left bruises.

President Trump threatens Putin with 100% tariffs if no Ukraine peace deal is reached within 50 days, while confirming arms sales to NATO to support Ukrainian resistance.

Donald Trump has credited his wife Melania with his change of heart on Vladimir Putin, leading Ukrainians to hail the First Lady as an "undercover agent," as relations between Vladimir Putin and the U

American fatigue with the war and the fickleness of the Trump administration remain concerns for Ukraine’s leaders.

With a heavy dose of Realpolitik, Germany and other European countries got the U.S. administration to aid Ukraine without directly confronting Putin.

When President Donald Trump won last year’s election, European officials quickly began discussing how to sustain US weapons shipments to Ukraine under a leader who had vowed to pull back American support.

Trump's moves underline his growing disenchantment with Russian President Vladimir Putin over the lack of progress in U.S.-led efforts to secure a ceasefire.

President Trump’s about-face on last week’s pause of some weapons shipments to Ukraine has revealed chasms within the administration, with the president claiming several times that he didn’t know

President Donald Trump has credited First Lady Melania Trump for influencing his tougher stance on the Russia-Ukraine conflict.

Ukraine's parliament has voted in favour of a motion to appoint Yulia Svyrydenko as the country's new prime minister.

Will Vladimir Putin back down? What should Trump's next move be? And what does the future hold for Ukraine? Newsweek contributors Daniel R. DePetris and Dan Perry debate: Daniel R