Mazama Energy’s federal grant to drill into superhot rock on the western flank of Newberry Volcano in central Oregon represents the latest chapter in a decades-long effort to unlock geothermal power ...

POPOCATÉPETL VOLCANO, Mexico (AP) — In the predawn darkness, a team of scientists climbs the slope of Mexico’s Popocatépetl volcano, one of the world’s most active and whose eruption could affect ...