Earth

  1. Space

    Scientists 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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  2. Environment

    Pesticides 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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  3. Climate

    Siberian 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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  4. Earth

    Let’s learn about volcanoes

    Volcanoes bring melted rock up to a planet’s surface.

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  5. Ecosystems

    Scientists 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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  6. Earth

    On 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.

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  7. Environment

    Australian 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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  8. Ecosystems

    Let’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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  9. Earth

    Lightning 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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  10. Environment

    Let’s learn about hurricanes

    Hurricanes are huge, terrifying storms that form over warm ocean waters — and waters are getting warming.

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  11. Ecosystems

    Scientists Say: Prairie

    Prairies are flat, fertile grasslands in North America. They are their own unique ecosystem.

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  12. Oceans

    Going 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.

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