NPR's Scott Detrow speaks with food writer Maria Melendez Ayala about nopales, edible cactus plants that are a staple in Mexican cuisine.

It's a working-class staple. And it could be priced out of the market by government efforts to make bakeries change from wood ...

NPR visits a hospital in eastern Ukraine's Donetsk region, in a town where many residents have fled but some young couples ...

At least 12 people were killed and dozens injured in strikes that hit more than 30 cities and villages across Ukraine.