A new model shows a tendency for tree cover to decline in warmer areas and increase in colder ones.
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Magma Beneath Yellowstone Is Shifting Northeast
Though the volcano’s magma chambers could hold enough material for a caldera-forming event, none of them are likely to erupt soon.
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The Deleterious Dust of the Salton Sea
Coarse particulate matter deriving from California’s largest lake is linked to an increased risk of respiratory-related hospitalizations.
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Pluto Captured Charon with a Kiss
A newly understood collision mechanism could explain some peculiarities of Pluto and its moons.
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Wildfires Raise Concern About Remobilized Radioactive Contamination
Researchers collected soil and ash after the 2020 wildfires in the Chernobyl Exclusion Zone. Chemical tests suggested that the fires made it easier for contaminants to wash into nearby rivers.
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Life’s Building Blocks Found in Bennu Samples
The discovery of amino acids, abundant ammonia, and the bases of DNA and RNA on asteroid Bennu suggest that materials essential to life might be widespread throughout the solar system.
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Ice Core Records Shed Light on a Volcanic Mystery
By analyzing sulfur and volcanic ash entrained in ice cores, researchers pinpointed a caldera in the remote Kuril Islands as the site of an unidentified 19th century eruption.
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How Much Did Climate Change Affect the Los Angeles Wildfires?
High heat, dry fuel, and strong winds drove the Palisades and Eaton blazes.
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Scientists Finally Get a Good Look at a Disintegrating Exoplanet
The James Webb Space Telescope offers astronomers a rare glimpse into the chemical composition of a rocky planet’s interior—and the results are “very surprising.”
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U.S. Academic Research Fleet to Add Three Smaller, More Nimble Vessels
A dire lack of investment in oceangoing vessels means the U.S. ocean sciences community is lagging, scientists say. Three new vessels will play a part in building capabilities.