When most of us think about active volcanoes in the U.S., Mount St. Helens, Mt. Rainier and a few others will first come to mind. However, one of the most active volcanoes in the region is about a ...
A rocky planet less than half the mass of Earth seems to have an atmosphere made almost entirely of sulphur dioxide – this ...
The U.S. is home to some of the world’s most powerful volcanoes, but which states have the most? From Hawaii’s lava flows to ...