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  1. Astronomy

    If the past is a guide, Hubble’s new trouble won’t doom the space telescope

    Hubble is in safe mode, but astronomers are optimistic that the observatory will keep working.

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  2. Animals

    What bees did during the Great American Eclipse

    A rare study of bees during a total solar eclipse finds that the insects buzzed around as usual — until totality.

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  3. Plants

    50 years ago, a 550-year-old seed sprouted

    Old seeds can sprout new plants even after centuries of dormancy.

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  4. Earth

    These light-loving bacteria may survive surprisingly deep underground

    Traces of cyanobacteria DNA suggest that the microbes live deep below Earth’s surface.