All Stories

  1. Space

    Comet Flare

    A long-dim comet suddenly grew particularly bright last month.

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  2. Fossils

    Hall of Dinos

    The world's largest dinosaur mural is now open for viewing in Pittsburgh.

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  3. Health & Medicine

    A recipe for happiness

    Want to be happier? Recent studies show that science can help.

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  4. Space

    High-Energy Discovery

    Scientists have traced the most energetic particles in the universe to their source: giant black holes.

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  5. Earth

    The Rise of Yellowstone

    New evidence points to a recent, rapid rise of land in parts of Yellowstone National Park.

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  6. On the Trail of America’s Next Top Scientists

    Students get their hands wet, cold, and dirty at the 2007 Discovery Channel Young Scientist Challenge.

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  7. Animals

    Return of the Lost Limbs

    Scientists are closer to learning how some animals regrow missing limbs.

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  8. Animals

    Gliders in the family

    Two rare gliding mammals may be the closest living relatives of modern primates.

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  9. Plants

    Seeds of the Future

    Around the world, scientists are putting seeds to sleep for up to thousands of years.

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  10. Space

    Monster Black Holes

    Scientists have discovered black holes that are far more massive than they had thought possible.

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  11. Fossils

    Digging Dinos

    Scientists have discovered a new dinosaur species that spent time underground.

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  12. Environment

    Fear Matters

    Halloween can scare kids and make them act strange. But animals and ecosystems respond to fear every day of the year.

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