All Stories

  1. Animals

    The secret to T. rex‘s incredible biting force is at last revealed

    The force of a T. rex bite was roughly 6 metric tons. A new study points to what’s behind that mighty force.

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  2. Space

    Stars made of antimatter could lurk in our galaxy

    Fourteen sources of gamma rays in our galaxy look like they could be antistars — celestial bodies made of antimatter.

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  3. Chemistry

    Scientists Say: Bond

    In chemistry, this attachment between atoms forms because of the power of attraction. Chemical bonds make up every solid object on Earth.

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  4. Earth

    Only 3 percent of Earth’s land is unchanged by people

    A sweeping survey of land-based ecosystems finds that very few still support all the animals they used to. Reintroducing lost species could help.

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  5. Planets

    The pebbled path to planets

    Small pebbles zipping through a sea of gas may give rise to mighty planets.

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  6. Humans

    How scientists can get a better picture of our extinct relatives

    Facial reconstructions of extinct species have historically been more art than science. Some researchers hope to change that.

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  7. Brain

    Let’s learn about touch

    Most senses are concentrated around your head. But touch all over your body, and you need every inch.

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  8. Agriculture

    New technologies might help keep drought-prone farms green

    After learning how much damage drought can do to crops, two teens designed ways to detect a thirsty plant and make sure it gets enough water.

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  9. Planets

    The Perseverance rover split CO2 on Mars to make breathable air

    This oxygen-making experiment shows that astronauts could one day make air to breathe and to help fuel their ride back home.

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  10. Environment

    Local glacier could be gone in a decade, young scientist finds

    A teen calculated the volume of a glacier by drilling into it with jets of steam — then used that to estimate how long before all its ice will be gone.

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  11. Plants

    Scientists Say: Pollen

    Pollen is a mass of tiny reproductive cells. These grains combine with egg cells to form seeds — but on the way, they can make some people miserable.

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  12. Computing

    Will this smartphone app become your exercise coach?

    When one teen couldn’t go to the gym, she invented an app to bring her gymnastics coach to her home. She succeeded and won a major award for it.

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