Damaged radar, a vehicle and equipment are seen at a Ukrainian military facility outside Mariupol. Sergei Grits/AP hide caption

Mary Louise Kelly
Thursday
Monday
Ukrainian Military Forces servicemen walk past a metal plate that reads "caution mines" on the front line with Russia-backed separatists. Anatolii Stepanov/AFP via Getty Images hide caption
Why Ukraine gave up its nuclear weapons — and what that means in an invasion by Russia
Thursday
Revisiting Donbas, a frontline in Ukraine-Russia crisis
U.S. Surgeon General Vivek Murthy says he wishes vaccines for kids under 5 were available, but that more data is needed first. Saul Loeb/AFP via Getty Images hide caption
The surgeon general's young daughter got COVID. This is what he wants you to know
Wednesday
Yes, the second half of adult life can be happier than the first. Christopher Furlong/Getty Images hide caption
Tuesday
People line up to receive a Pfizer COVID-19 vaccine dose during a mass vaccination campaign in Abidjan, Ivory Coast, in August 2021. Issouf Sanogo/Getty Images hide caption
Why this USAID official is optimistic the U.S. can get the world vaccinated
Wednesday
A woman walks towards the only crossing right now between the rest of Ukraine and the northernmost occupied territory, manned by guards on both sides who check documents in Stanytsia Luhanska. Claire Harbage/NPR hide caption
The world worries of a Russian attack. But for these Ukrainians, war is already here
Tuesday
A Ukrainian military forces serviceman gets out of a tank parked in a base near Klugino-Bashkirivka village in the Kharkiv region on Monday. Sergey Bobok/AFP via Getty Images hide caption
Monday
The world worries of a Russian incursion. In Donbas, Ukrainians already live with war
A bridge separates 2 realities at the frontier of Russian-occupied Ukraine
Ukrainian foreign minister says global democratic order at stake in Russia standoff
Friday
Kristina Kvien is the U.S. charge d'affaires in Kyiv, the top American official on the ground in the Ukrainian capital. She estimates that there are more than 100,000 Russian troops at the border to Ukraine, and that number is growing. Claire Harbage/NPR hide caption