All Stories

  1. Fossils

    Fossil stomach reveals a dinosaur’s last meal

    A rare fossilized stomach reveals a dino’s dining preferences. It also provides clues to the ecosystem in which the reptile lived.

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  2. Health & Medicine

    Millions of likely U.S. COVID-19 cases have gone undiagnosed

    Over just three weeks in March, some 8.7 million people in the United States may have contracted COVID-19. That far surpasses the official tally.

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  3. Space

    Developing planet emerges in a swirl of gas

    Images of a young star 520 light-years away show a spiral of gas and dust swirling around it. A twist inside the spiral appears to be a planet forming.

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  4. Tech

    Scientists Say: GPS

    A GPS system relies on satellites orbiting the planet, constantly sending signals back to receivers on Earth.

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  5. Animals

    Bumblebees may bite leaves to spur plant blooming

    In a pollen shortage, some bees nick holes in tomato leaves. This can speed up flowering and pollen production by weeks.

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  6. Animals

    Let’s learn about bioluminescence

    Some animals, bacteria and algae produce their own light. This bioluminescence can attract mates or protect from predators.

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  7. Space

    Oldest disk galaxy puts a new spin on galaxy growth

    A spinning disk galaxy has been found in the early universe. Its existence is a surprise.

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  8. Chemistry

    Working up a sweat may one day power up a device

    Tech that turns sweat into power may make for greener gadgets. A new device uses perspiration to charge a supercapacitor and run a sensor.

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  9. Chemistry

    Scientists Say: Polymer

    Polymers can be natural or man-made, but they are all big molecules made up of smaller units linked together.

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  10. Tech

    Wiggly wheels might help rovers plow through loose lunar soils

    New design lets wheels ascend hills too steep for regular robots and paddle through loose soils without getting stuck.

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