Deep under the western United States, two of the planet’s largest volcanic systems are quietly reshaping rock and gas. In California and Wyoming, scientists have reported unusual behavior that has ...

Federal scientists are pushing back against viral claims that “mega eruptions” could strike within days, even as they quietly prepare for the possibility that any restless volcano can change behavior ...

Extreme drought, rather than a planetary winter, might be humanity’s biggest challenge in the years after a huge volcanic eruption 1. Global temperatures can plummet after a large eruption, if the ...