Uturuncu, a Bolivian ‘zombie volcano’ that hasn’t erupted in more than 250,000 years, has shown signs of life. But scientists ...

A volcano that has not erupted in 250,000 years has shown signs of returning to life. Scientists warned that an eruption ...

Porterville sits prettily at the base of the Sierra Nevada foothills. This charming small town offers a perfect escape from big city hustle. The downtown area is lined with historic buildings that ...

Shasta Valley's strange hills reveal a secret — the debris of a massive ancient mountain collapse in Northern California.

Researchers in a submersible could hardly believe their eyes, or their luck, when they saw a clearly active eruption along an ...

Huge underwater volcano situated off US coast could erupt 'any day now', scientists warn - The Axial Seamount is the most ...

One hotspot may have formed the Pacific’s largest volcanoes, linking the Ontong-Java Plateau to the Louisville Ridge.

As California's High-Speed Rail Authority awaits word from the Trump administration over its future support for the train, leaders who oversee the project sounded the alarm about its financial ...

The most active volcano in the Pacific Northwest could erupt 'any day now,' experts say. The last time it blew, it triggered ...

Planning a trip to Hawaii’s Big Island? With its diverse landscape (10 of the world’s 14 climate zones), the island offers a ...

With summer vacation just around the corner, we asked experts, advisors and parents to weigh in on the best summer vacation ...