Uncategorized

  1. Astronomy

    New Horizons may have seen a glow at the solar system’s edge

    New Horizons may have seen a hydrogen wall just past the edge of the solar system, where the solar wind meets the stuff of interstellar space.

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  2. Climate

    Readers question dark fusion, Antarctic ice melting and more

    Readers had questions about Antarctic ice melting, dark fusion and greenhouse gas emissions.

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  3. Genetics

    Researchers say CRISPR edits to a human embryo worked. But critics still doubt it

    Researchers say that they have confirmed CRISPR/Cas9 edits of a heart disease–causing version of a gene, but critics still have doubts.

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  4. Archaeology

    The debate over people’s pathway into the Americas heats up

    Defenders of an ice-free inland passage for early Americans make their case.