Some people have reported seeing so-called “ witch’s hair ” drifting in the air. These are fine, sharp, glassy needles that ...

A large sulfur dioxide gas cloud is blowing toward Keflavík International Airport. Authorities have told people nearby to ...

Thousands of years ago, thick glaciers covered southern Chile, pressing down on the land and holding back the volcanoes underneath. The ice acted like a cap, trapping magma below the surface. But over ...