Swim in crystal-clear waters, snorkel vibrant coral reefs, and relax on secluded beaches during this eight-day Caribbean yacht cruise.

Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what quietly falls from the sky.

Just under the surface of the Pacific Ocean in the Solomon Islands is an active underwater volcano that's inexplicably ...

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 ...

One of the most active volcanoes in the Philippines erupted Tuesday morning. There were no immediate reports of casualties in ...