This week, experts revealed that there's been volcanic activity in the United States and that the volcano could erupt "in the ...

The tallest volcano in Europe, Italy's Mount Etna, and the world's most active volcano, Kilauea in Hawaii, erupting again.

Hokkaido is famous for its pristine wilderness and provides some of the most amazing mountain biking experiences in Japan.

The "ring," as NOAA says, extends "from the southern tip of South America, along the west coast of North America, across the Bering Strait, down through Japan and into New Zealand." Its volcanoes ...