The new Trump foreign policy team has brought a dizzying message to European allies on A.I., Ukraine and more. It has already left many angered and chagrined.

President Volodymyr Zelensky of Ukraine and European defense ministers had expressed concern that they might not be present for talks between President Trump and Russia’s leader to end the war.

In his first trip abroad, the new U.S. defense secretary told Ukrainian and NATO officials that a durable peace could only come ‘with a realistic assessment of the battlefield.’

The Times interviewed Russian soldiers who said they face a brutal fight to dislodge determined Ukrainian forces from a sliver of Russian land. Trapped civilians fear catastrophe.

President Trump says he wants to make a deal for minerals from Ukraine in exchange for aid. That followed a long effort by Ukrainian officials to appeal to Mr. Trump’s transactional nature.

The Kremlin freed Marc Fogel, a teacher held for more than three years on drug charges, in a deal negotiated by Steve Witkoff, President Trump’s Middle East envoy.

Opponents of the project say it is costly, will take far too long to strengthen Ukraine’s battered power supply and opens the door to corruption.

Deterring Russia from re-invading Ukraine, once this war ends, could require 150,000 troops and American help with air cover, intelligence and missile defense, experts say.

Stephen Hubbard was a wanderer. But when he moved to Ukraine, the war brought arrest, torture and imprisonment. He turns 73 this week.

European leaders will gather Monday to plot a rough path forward on defense. Wavering support from President Trump is likely to drive the debate.

To wean itself off Russian natural gas, Europe has found new sources of energy, including imports from the United States. But high costs are straining the economy.

Eight Opinion writers weigh in on whether she’s up to the job of director of national intelligence.

The mayor, Vitali Klitschko, who has had a tense relationship with President Volodymyr Zelensky, accused him of trying to usurp the powers of elected officials in the capital.

President Trump jabs at the Russian leader with threats; Vladimir Putin responds with flattery. But there are notable signals in their jousting, including a revived discussion about nuclear arms control.

Ukraine’s defense minister fired the head of a state agency that procured over $7 billion in armaments last year, citing “unsatisfactory” results. She says the move is illegal and vows to stay in her post.

Videos showed fireballs over a facility in Ryazan, 110 miles southeast of Moscow. Kyiv is seeking to disrupt Russian military logistics and put pressure on the country’s economy by striking its oil industry.

Russia says Ukraine shot down a military transport carrying 65 captured Ukrainians. Ukraine has not confirmed its role, identified the bodies it received, or said how it happened.

President Trump doubled down on the prospect of across-the-board tariffs in a video appearance to business executives and politicians gathered in Davos, Switzerland.

The high popularity that the Ukrainian president had in the early days of the Russian invasion, with an approval rating of about 90 percent, has dipped badly.

Mr. Puzder, a former fast food executive, was nominated in 2017 to be President Trump’s labor secretary, but he withdrew amid bipartisan scrutiny of his business record and character.