Scientists are holding their breath as hundreds of earthquakes rattle one of America's most dangerous volcanoes, which loom ...

The United States and Japan concluded a weeklong disaster-response exercise that simulated a magnitude 7 earthquake, the ...

A powerful earthquake has rocked the Italian city of Naples and the surrounding region, sending people fleeing into the ...

Wednesday’s magnitude 7.3 earthquake off Alaska’s Aleutian Islands chain struck in a region that has experienced a handful of ...