News

  • Jul 30, 2021

    The asteroid impact that slew the dinosaurs may have also indirectly sculpted the largest ripple marks ever found on Earth. A series of ridgelike structures more than three stories high and...

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  • Jul 30, 2021

    When news broke that the oldest known case of a person killed by a shark involved a member of Japan’s Jōmon culture around 3,000 years ago, two researchers took special notice (SN: 7/23/21)...

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  • Jul 29, 2021

    When parasitic wasps come calling, some caterpillars have a surprising ally: a viral infection.  Insects called parasitoid wasps lay their eggs inside young moth larvae, turning the caterpi...

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  • Jul 29, 2021

    Next time you’re looking at a rainbow, be thankful you’re not a tardigrade. While the microscopic creatures, also known as water bears, are master survivors when it comes to radiation, spac...

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  • Jul 29, 2021

    Pale, wormlike tubes in 890-million-year old rock may be ancient sea sponges, a new study concludes. If confirmed, that controversial claim would push back the origin of the earliest sponge...

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  • Jul 29, 2021

    Walruses, weighing as much as 1,300 kilograms with huge tusks and nearly impenetrable skulls, are almost impossible for a hungry polar bear to kill. But new research suggests that some pola...

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