Deep within Greenland’s ice sheet, a chemical anomaly has sparked intense scientific debate, especially after researchers ...

Mount Edgecumbe volcano in Southeast Alaska sits in a place where a volcano shouldn’t really be sitting. Research underway ...

How do volcanoes work? What happens beneath their surface? What causes the vibrations—known as tremor—that occur when magma ...

A colossal cloud stretching 1,800 kilometers forms over a Martian volcano every winter—then vanishes by midday.