Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites.

Volcanoes might seem like nature’s incinerators, but using them to burn up trash would be dangerous and disrespectful to ...

BUFFALO, N.Y. — Rocky pillars dotting Iceland’s Skaelingar valley were projectiles tossed into the fields by warring trolls. That, at least, is the tale that University at Buffalo geologist Tracy ...