In A.D. 79 a man's brain turned into glass, and researchers now might have an explanation as to how it happened ...

Deadly volcanic activity in Japan in recent years includes the 1993 eruption of Mount Unzen’s Fugendake and the 2014 eruption of Mount Ontakesan in central Japan. Both incidents killed dozens of ...

including the 1991 eruption of Japan's Mount Unzen and the 2018 eruption of Guatemala's Fuego volcano, he said. The initial ash clouds contained little volcanic material and so might seem to have ...