When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...

Mount Paektu, an active stratovolcano straddling the border of North Korea and China, is the highest peak on the Korean peninsula and lies at the heart of North Korea’s foundation myth.

A U.S. judge on Tuesday demanded U.S. officials provide documents and answer questions under oath about what it had done to secure the return of a man wrongly deported to El Salvador, ramping up ...