Experts believe a Mount Rainier eruption would post a grave threat to millions who live in the southern and eastern sections ...

There's something exciting about visiting dangerous places, but these especially hostile locations might be too much for even ...

Kīlauea remains on pause, but the livestream view of Halemaʻumaʻu Crater at just before 5:30 p.m. Jan. 19 showed quite a bit ...