Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals the Methana volcano quietly accumulated huge magma reservoirs underground during a 100,000-year dormant period ...

Volcanoes can be rich sources of metals. (Hafsteinn Karlsson/500px/Getty Images) Volcanoes can wreak devastation when they ...

An earlier version of this story was published in 2024. It looks like just another hill in Sussex County, but you wouldn’t have wanted to have been standing there 420 million years ago. That’s about ...

Methana volcano looked dead for more than 100,000 years, yet magma kept building below ground. By dating tiny crystals, scientists found a hidden system still active, raising new doubts about how ...