Millimeter-wavelength observations of dust and pebbles in 74 star systems hint that planetary migrations might be more common than we realized.
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Panama Canal Logistics Are at the Mercy of Weather and Climate
Regional weather variability and climate change make operating the canal a challenge.
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Unregulated Industrial Contaminants Detected in Some U.S. Drinking Water
Communities of color are more likely to have higher levels of these contaminants in their drinking water.
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We’re About to Reach the Paris Agreement Limit, If We Haven’t Already
Earth has probably already entered the 20-year period in which global temperatures will be, on average, 1.5°C (2.7°F) higher than preindustrial conditions.
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Rice Paddies, Like Cows, Spew Methane. A New Variety Makes Them a Lot Less Gassy.
Rice plants are a big source of methane, an extremely potent greenhouse gas. Scientists just developed a strain that cuts those emissions by 70 percent.
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Megadroughts Have Grown in Size and Scope
A new study maps and ranks the largest, longest-lasting, and most severe multiyear droughts from 1980 to 2018.
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Arctic Ice Is Getting Smoother and Moving Faster
A decrease in pressure ridges over the past 3 decades is making the ice more uniform, with unclear consequences.
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Boreal Forests May Be on the Move
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.