All Stories

  1. Humans

    Traces of Ancient Campfires

    Researchers have unearthed traces of what may be among the oldest human-controlled fires.

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  2. Animals

    Noisy boats may bother orcas

    Whale watcher boats may be so noisy that killer whales must change their calls to be heard.

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  3. Genetics

    What makes a dog?

    Analyzing dog DNA is helping to explain the origin, behavior, and diseases of dogs.

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  4. Humans

    Hints of Life in Ancient Lava

    Ancient lava may contain some of the earliest traces of life on Earth.

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  5. Planets

    Search for a Missing Moon

    Sedna, the most distant object known in the solar system, doesn't appear to have a moon.

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  6. Tech

    Robots on a Rocky Road

    In a recent race, high-tech, robotic vehicles tried to drive themselves across a desert.

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  7. Animals

    Male baboons get mellow

    Females may get male baboons to tone down violent behavior and become more cooperative.

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  8. Chemistry

    Spinning Clay into Cotton

    Adding clay to cotton fibers can keep cotton from readily bursting into flame when heated.

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  9. Health & Medicine

    Allergies: From bee stings to peanuts

    As more and more people develop allergies, researchers are looking for ways to treat and prevent severe allergic reactions.

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  10. Humans

    The taming of the cat

    People had pet cats at least 9,500 years ago, long before ancient Egyptians started worshipping felines.

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  11. Animals

    Snagging insects, hummingbird style

    A hummingbird has an unexpectedly flexible lower bill to help it catch bugs.

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  12. Environment

    Little bits of trouble

    Extremely tiny particles known as buckyballs can harm living cells.

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