Earth

More Stories in Earth

  1. Environment

    Leaky sewer pipes pollute urban streams and bays with drugs

    Scientists find that leaking sewer pipes around Baltimore, Md., spew thousands of doses of medicines into the Chesapeake Bay and other waterways.

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  2. Climate

    Scientists Say: El Niño and La Niña

    El Niño and La Niña are part of a climate cycle that results in major weather changes every few years.

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  3. Climate

    Here’s how some sea-loving trees ended up far from the coast

    This “relict ecosystem” that’s more than thousands of years old moved inland due to warming and a rise in sea levels.

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  4. Oceans

    Scientists Say: Atoll

    Atolls form when coral reefs build up around underwater volcanoes.

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  5. Earth

    What can ‘silent earthquakes’ teach us about the next Big One?

    Earthquakes usually last seconds. But sometimes, they can last days, or even years. Here’s what scientists are learning about these “slow-slip events.”

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  6. Space

    Let’s learn about auroras

    A gust of charged particles from the sun called the solar wind lights up auroras on Earth — and on other planets.

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  7. Physics

    Scientists Say: Convection

    Convection is a process that transfers heat through the movement of liquid or gas.

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  8. Environment

    Everyday plastics can pollute, leaching thousands of chemicals

    Plastic bags and containers leach potentially toxic chemicals into both food and water, but researchers yet don’t know how they might affect health.

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  9. Brain

    Ask the experts: How to create a top-notch science fair project

    Five finalists in the Broadcom MASTERS middle-school competition reveal how they created nationally competitive projects.

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