Earth

More Stories in Earth

  1. Earth

    Analyze This: Wildfires are pumping more pollution into U.S. skies

    Researchers wanted to study the health effects of wildfire smoke. But they realized they didn’t know where it was and how much exposure people had.

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  2. Environment

    ‘Forever’ chemicals show up in students’ school uniforms

    Researchers found PFAS “forever chemicals” in kids’ school uniforms and other clothing. Studies have linked these compounds to health risks.

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  3. Materials Science

    Let’s learn about microplastics

    Microplastics have turned up everywhere from the highest mountains to the bottom of the ocean — and even inside animals and people.

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  4. Climate

    Warming temps could turn some blue lakes green or brown

    Slightly warmer summers could cause thousands of blue lakes to become a murky green or brown, according to a tally of color in 85,000 lakes worldwide.

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  5. Earth

    Scientists Say: Pole

    A pole is either of two opposite ends of a molecule, magnet, battery, planet or other object.

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  6. Chemistry

    Scientists Say: Salinity

    The higher the salinity, the saltier a body of water.

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  7. Earth

    Not one, but two asteroids might have ended the age of dinosaurs 

     A craterlike structure found off the coast of West Africa might have been formed by an asteroid that struck around the time dinosaurs went extinct.

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  8. Earth

    One 2022 tsunami may have been as tall as the Statue of Liberty

    A massive volcanic eruption in the South Pacific, earlier this year, appears to have triggered one tsunami that was initially 90 meters (nearly 300 feet) tall.

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  9. Space

    Amateur astronomers reveal clues to a mysterious double aurora

    Stunning images from citizen scientists show an unusual pattern in ‘Northern Lights.’ They offer clues that may help astronomers better understand a curious red glow.

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