Uncertainty in climate models could mean Earth systems are perilously close to their tipping points, scientists warn.
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The AMOC of the Ice Age Was Warmer Than Once Thought
An analysis of sediment cores indicates that North Atlantic waters were relatively warm and continued to circulate even under major climate stress during the Last Glacial Maximum.
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Primordial Impact May Explain Why the Moon Is Asymmetrical
Analysis of surface samples from the Chang’e-6 mission suggests that an asteroid may have vaporized parts of the lunar mantle, suppressing volcanic activity on the farside of the Moon.
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Meet the Mysterious Electrides
These chemical oddities may explain why Earth seems to be deficient in certain elements—and could prove useful in catalysts and more.
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Snowball Earth’s Liquid Seas Dipped Way Below Freezing
Iron isotopes show that salty seawater pockets beneath the ice were as cold as −15°C.
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A Mid-Ocean Ridge in the Norwegian Sea Pumps Out Hydrogen
Vent fluids collected from the Knipovich Ridge contain unexpectedly high concentrations of hydrogen, potentially produced by the degradation of organic matter.
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Nationwide Soil Microbiome Mapping Project Connects Students and Scientists
Researchers and students are building a comprehensive picture of the microbial life beneath our feet.
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Coral Diversity Drops as Ocean Acidifies
As seawater becomes steadily more acidic, complex branching corals die off and are replaced with hard boulder corals and algae.
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How the Rise of a Salty Blob Led to the Fall of the Last Ice Age
Scientists have long suspected that high salinity levels in the deep ocean were responsible for keeping carbon dioxide locked away during the last ice age. New research finds the strongest evidence yet.
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Alligators May Boost Carbon Storage in Coastal Wetlands
Research suggests that American alligators help coastal wetlands retain more carbon, linking predator recovery in the southeastern United States to ecosystem function and climate processes.