Nobody knew what they are, and whether they are only a temporary phenomenon, or if they have been sitting there for millions ...

One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists believe it’s only a matter of time before it erupts again – maybe even before ...

Santorini’s beauty hides a geological secret. Rising tremors spark tsunami concerns—should travelers to Greece and Turkey be ...