Earth
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SpaceScientists Say: Solar
What do solar energy, the solar year and solar flares have in common? They’re all related to the sun.
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EnvironmentPesticides contaminate most food of western U.S. monarchs
Monarch caterpillars eat only milkweeds. A new study finds widespread pesticide use has tainted these plants across the insect’s western U.S. breeding grounds.
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ClimateSiberian heat wave that caused an oil spill made more likely by climate change
The six-month heat wave in Siberia during the first half of 2020 would not have happened without human-caused climate change, researchers find.
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EcosystemsScientists Say: Deforestation
Trees slurp up carbon dioxide and help keep our planet cool. But deforestation cuts those trees down in large numbers.
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EarthOn an Alaskan glacier, little green moss balls roll in herds
Oval balls of moss, nicknamed ‘glacier mice,’ roll across some glaciers. A new study explores the mysteries behind their herd-like motion.
By Beth Geiger -
EnvironmentAustralian wildfires pumped smoke to record heights
Wildfires in Australia in late December and early January spurred an unusual smoke plume that still hasn’t fully dispersed.
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EcosystemsLet’s learn about coral reefs
Coral reefs are home to many important species. But climate change is stressing corals to the max.
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EarthLightning megaflashes set big new distance and duration records
Scans of satellite images identified two lightning bolts with previously unheard-of dimensions. Both flashed through the skies over South America.
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EnvironmentLet’s learn about hurricanes
Hurricanes are huge, terrifying storms that form over warm ocean waters — and waters are getting warming.
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EcosystemsScientists Say: Prairie
Prairies are flat, fertile grasslands in North America. They are their own unique ecosystem.
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OceansGoing bright may help corals recover from bleaching
When some corals bleach, they turn neon colors. Flashy hues may be part of a response that helps these corals recover and reunite with their algae.