Scientists on the AKMA3 ocean expedition discovered an exceptional underwater feature consisting of a mud volcano in the middle of a large crater 80 miles south of Norway's Bear Island. The volcano ...

Kilauea volcano began shooting lava into the air once again Tuesday on the Big Island of Hawaii. Kilauea, one of the world's most active volcanoes, has been erupting on and off for nearly two months ...

From the highest peaks to the deepest chasms, the 7 natural wonders of the world will make you want to lace up your exploring ...