Tim Mak

A secretive Russian military unit, known for its part in the deaths of hundreds of civilians on Malaysia Airlines Flight 17 nearly a decade ago, was fighting in eastern Ukraine, NPR uncovered.

The 53rd Anti-Aircraft Brigade has been blamed for hundreds of civilian deaths even before the invasion of Ukraine. The brigade's former headquarters has been tracked to a liberated region of Ukraine.

Investigators into the 2014 downing of Malaysia Airlines Flight 17 over eastern Ukraine alleged this week that Putin was directly involved. The incident led to 298 civilian deaths from 16 countries.

Ukrainian soldiers in the country's northeast describe winter living conditions in their trenches, in advance of a possible springtime Russian offensive.

Uber CEO Dara Khosrowshahi visited Ukraine to imagine how the company might eventually operate after peace is established, and the economic opportunities that might create.

Ukrainian officials in Odesa say the local economy has contracted 40% since the war began. The shutdown of the local ports and unreliable electricity have forced businesses to adapt.

NPR's Tim Mak is in Ukraine as people there celebrate their first Christmas since the invasion.

Putin instructed his defense minister to order a temporary cease-fire in Ukraine over Orthodox Christmas. Ukraine accuses Russia of trying to buy time to replenish its stocks along the front lines.

Russia and Ukraine are both claiming Russian casualties following a missile attack on the occupied Donetsk region. The attack came as Russian forces targeted Ukraine's energy infrastructure.

At least one person was killed and several injured in Kyiv after Russia launched a new wave of missiles against the capital and other cities across Ukraine.

Russia conducted its largest series of airstrikes against Ukraine since mid-December, aimed at critical infrastructure. It's the latest salvo targeting Ukrainian power and water supplies.

Lights flickered or went out in some Ukrainian cities Thursday. More than 300 days into the war, airstrikes and power outages have become part of life. Where do things stand as the year winds down?

Even the day that Christmas falls on is a matter of vigorous dispute in Ukraine. In the context of the ongoing war with Russia, the question has taken on new meaning.

Ukraine's president Volodymyr Zelenskyy makes a dramatic visit to Washington, while his country is at war, for meetings at the White House and address Congress.

Regional military administrators across the country say Russia launched more than 70 missiles targeting at least 10 of Ukraine's 24 regions.

Investigators in Ukraine have opened more than 50,000 inquiries into alleged Russian war crimes since the war began. NPR looked into the death of one man to show the challenges investigators face.

There are 50 thousand war crimes under investigation in Ukraine. NPR looked into just one case — the death of a man — and what it might take to find justice.

The temperatures in the Ukrainian capital have been in the 70s lately. But as summer wanes, residents are already preparing for a harsh winter ahead.

Doctors who have worked in two modern war zones — Syria and Ukraine — are seeing the same gruesome tactics and injuries brought about by Russian military action.

Pound for pound, perhaps no piece of equipment is more valuable on the Ukrainian battlefield than lightweight, remote-controlled drones, which volunteers are bringing to the frontlines in the east.