The Old Faithful Geyser of California stands proudly in Calistoga, shooting scalding water skyward every half hour like it’s auditioning for a role in a nature documentary.

Tucked away in the northern reaches of Napa Valley sits a natural wonder that rivals its famous Wyoming namesake, yet somehow remains California’s best-kept geological secret – a geyser that erupts ...

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 ...

Learn more about the fat molecules researchers discovered in deep-sea mud volcanoes and the clues they offer to microbial ...

Four people died when a super typhoon hit the Philippines just days after a storm killed hundreds on the islands. Super ...