MARIUPOL, Ukraine (AP) — An airstrike on a hospital in the port of Mariupol killed three people, including a child, the city council said Thursday, and Russian forces intensified their siege of Ukrainian cities, even as the top diplomats from both sides met for the first time since the war...

IRPIN, Ukraine — Hundreds of Ukrainians living in towns occupied by Russian troops on the outskirts of Kyiv fled Wednesday. Streams of cars -- some fixed with white flags -- filed down the road, joined by lines of yellow buses marked with red crosses. The Interior Ministry said about...

UNITED NATIONS — Russia’s “illegal, unprovoked” and “cruel” war against Ukraine is underscoring the many different ways in which peace, security and a stable climate are linked, U.S. climate envoy John Kerry said Wednesday. Kerry told an informal U.N. Security Council meeting on...

When fighting from Russia’s invasion of Ukraine resulted in power cuts to the critical cooling system at the closed Chernobyl nuclear power plant, some feared that spent nuclear fuel would overheat. But nuclear experts say there’s no imminent danger because time and physics are on safety's...