PROF. RUSSELL'S beautiful volume is, in some sense, a companion to Sir Archibald Geikie's account of the volcanoes of Great Britain; but whereas the latter deals with volcanic relics of all ages in an ...

I had a chance to fly rather close to Iceland's Eyjafjallajokull volcano last week. On a flight back from Frankfurt, the pilot somehow got permission to divert from the scheduled flight path as we ...

The yawning crater of Mount St. Helens is obscured by clouds on an early May day as monument scientist Peter Frenzen leads a group along the Hummocks Trail through the jumbled landscape of the North ...