Santorini is at the center of a mystery: Why do earthquakes keep shaking the island?
The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.
Undersea volcano off West Coast could erupt soon but should you prepare for a disaster?
One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...