Schools on the Greek tourist island of Santorini will remain closed on Monday after more than 200 small earthquakes shook the region, civil protection authorities announced. Santorini is one of the ...

Below Mount Jefferson and McKenzie Pass is a massive storehouse of water three times the size of Lake Mead, say Oregon researchers.

The good news is that because the top of the volcano is still 4,500 feet below the ocean’s surface, it poses no danger to people.

A new study has found surprising evidence of large bodies of magma lurking beneath long-dormant volcanoes in the Cascade ...

The seismic activity of Axial Seamount, a submerged volcano roughly 300 miles off the coast of Oregon and more than one mile ...

If you haven't yet checked off Alaska and Hawaii on your quest to visit all 50 states, Holland America Line has the perfect ...

The enormous 3,600ft-tall volcano - named the Axial Seamount - sits around 5,000ft below the surface of the Pacific Ocean and ...