Eastern Caribbean issues rare alerts for rumbling volcanoes

Volcanoes that have been quiet for decades are rumbling to life in the eastern Caribbean, prompting officials to issue alerts in Martinique and St. Vincent and the Grenadines as scientists rush in to study activity they say ...

Pretty in pink: India crater lake changes colour overnight

A crater lake in India's western Maharashtra state has turned pink overnight, delighting nature enthusiasts and surprising experts who attributed it to changing salinity levels and the presence of algae in the water.

Firepits of the Gods: Ancient memories of maar volcanoes

In the heart of Takapuna, north-central Auckland, is a natural lake—Pupuke—while a little way offshore lies the volcanic Rangitoto Island. Long ago, a family of giants lived at Takapuna until one day, ill-advisedly, ...

Lake Tahoe's clarity improved dramatically over past year

The famed cobalt blue waters of Lake Tahoe became more clear last year, gaining 10 feet in visibility from the year before, according to a new study released Thursday by scientists at the University of California, Davis.

Living with volcanic gases

Professor Tamsin Mather, a volcanologist in Oxford's Department of Earth Sciences reflects on her many fieldwork experiences at Massaya volcano in Nicaragua, and what she has learned about how they effect the lives of the ...

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