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  1. Astronomy

    Readers’ interest piqued by Parker Solar Probe, general relativity and more

    Readers had questions about NASA's Parker Solar Probe, Einstein's general relativity theory and underwater cables used as earthquake sensors.

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  2. Astronomy

    To boldly go where no robot explorer has gone before

    Editor in Chief Nancy Shute discusses the importance of robotic space missions for scientific research.

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  3. Genetics

    German skeletons hint that medieval warrior groups recruited from afar

    Graveyard finds may come from an ancient European warrior household with political pull.

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  4. Planetary Science

    Jupiter’s magnetic field is surprisingly weird

    New results from NASA’s Juno spacecraft reveal different magnetic behavior in the planet’s northern and southern hemispheres.