Several U.S. states, from Hawaii’s fiery peaks to Alaska’s smoldering mountains, have the highest number of active ...

As the latest data on carbon dioxide concentrations hits the headlines, it's a good time to dive into how we measure these ...

Olive Mullet reviews the book 'Adventures in Volcanoland' by Tamsin Mather in the latest Up and Down the River column ...

The Hawaiʻi Department of Health is urging residents and visitors to take precautions as elevated volcanic gas emissions from ...