Early Earth’s belly held onto its water
When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, scientists say. More
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A volcanic eruption might have helped bring the Black Plague to Europe
A volcanic eruption may have triggered a deadly chain of events that brought the Black Plague to Europe in the 14th century. More
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How hot can Earth get? Our planet’s climate history holds clues
Earth has survived huge temperature swings over eons of climate change. Humans might not be so lucky. More
An ancient Earth impact could help in the search for Martian life
Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars. More
