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Paleoclimatology

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Antarctic Ice Links Supernova Dust to the Solar System’s Passage Through a Nearby Cloud

The data suggest a nearby interstellar cloud holds debris from an old supernova.

Deep Mantle Flow Built Antarctica’s Extreme Gravity Low, Which Intensified 50–30 Million Years Ago

New 'Cosmic Clock' Reads Krypton in Zircon to Date Ancient Landscapes

Ancient Salt Yields First Direct Mesoproterozoic CO2, Indicating a Mild 1.4-Billion-Year Climate

Oldest Directly Dated Ice Found in Antarctica Is 6 Million Years Old

Science Study Identifies Ocean Feedback That Could Overcorrect Warming Into an Ice Age

Deep-Sea Cores Uncover Possible Cometary Debris at Younger Dryas Onset

New Study Links 56,000-Year-Old Meteor Impact to Grand Canyon Landslide Dam