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  1. Life

    Lemur study suggests why some fruits smell so fruity

    A new test with lemurs and birds suggests there’s more to fruit odors than simple ripening.

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  2. Astronomy

    Hubble may have spotted the first known exomoon

    A single sighting with the Hubble Space Telescope seems to confirm that there’s a Neptune-sized moon orbiting exoplanet Kepler 1625b.

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  3. Humans

    A 90,000-year-old bone knife hints special tools appeared early in Africa

    The discovery of a bone knife in a Moroccan cave points to the ancient emergence of specialized toolmaking in the region.

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  4. Animals

    Giraffes inherit their spots from their mothers

    Africa’s tallest creatures get their characteristic patterns of spots from their moms, a new study finds.