All Stories

  1. Space

    NASA’s DART spacecraft crashed into an asteroid — on purpose

    This mission could provide a blueprint for how to deflect a killer asteroid, if one is ever found headed for Earth.

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  2. Animals

    Living mysteries: This critter has 38 times more DNA than you do

    The genomes of salamanders are bloated with genetic “parasites.” That extra DNA slows down their lives and strands them in perpetual childhood.

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  3. Animals

    Several mammals use a South American tree as their pharmacy

    Researchers in Brazil’s Atlantic Forest stumbled onto something very strange. They watched as animals “doctored” themselves with products from a tree.

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  4. Fossils

    Bizarre ancient critter has spines but no anus 

    The spiny discovery moves this minion lookalike off a distant limb on the human family tree.

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  5. 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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  6. Space

    Scientists Say: Telescope

    Almost everything we know about the universe around us, we know thanks to telescopes.

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  7. Tech

    No trees were harmed to 3-D print this piece of wood

    How clever! Scientists used print-speed adjustments to control how flat, 3-D printed shapes morph into complex wooden objects.

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  8. Animals

    Some ecologists value parasites — and now want a plan to save them

    Parasites get a bad rap as disease-causing, unwelcome guests on other organisms. But parasites are also imperiled, and scientists don’t want to lose them.

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  9. Animals

    Analyze This: Bulky plesiosaurs may not have been bad swimmers after all

    Long-necked plesiosaurs were thought to be slow swimmers. But new research suggests the animals’ large size helped them overcome water resistance.

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  10. Space

    Let’s learn about gravitational waves

    Gravitational waves offer scientists a new way to view extreme objects such as black holes and neutron stars.

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  11. Animals

    A tiny microbe inspired this scientist’s big dreams

    Marc Mapalo has discovered three species of tardigrades and studies fossils of these water bears to better understand how their bodies have changed over time.

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  12. Life

    Scientists Say: Fungi

    Although some fungi can cause diseases, others can be eaten, used to make medicines or serve other useful functions.

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