Antarctic ice reveals two volcanoes erupting simultaneously may have caused 15th-century cooling

Nearly 600 years ago, a massive volcanic eruption sent clouds of sulfurous gas and ash high into the atmosphere. The blast ...
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A volcano or a meteorite? New evidence sheds light on puzzling discovery in Greenland's ice sheet

New research suggests that this mystery platinum signature underneath the Greenland ice sheet may have originated from a volcanic fissure eruption in Iceland, not space.