When Ukraine turned a corner of Russia’s Kursk region into a battlefield, it set in motion some of the war’s fiercest fighting. Our photographer documented the aftermath.

Ukrainians aren’t entirely sure why Russia has been targeting Kharkiv’s dairies. But over the last three years the region, ...

By day, the Ukrainian capital hums with life — crowded metros, dog walkers and children on playgrounds. By night, Kyiv ...

Kyiv was the main target of an hourslong assault that killed at least two people, officials said. The barrage came hours ...

In the north a 50,000-strong Russian force is attacking Sumy, a provincial capital. Our model is detecting artillery fire and ...