News

  1. Astronomy

    Moon story waxes fuller

    A new analysis may have put the final piece in the puzzle of how the Moon formed.

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  2. Plants fix genes using copies from ancestors

    Some plants can reinstate genes missing from their own chromosomes but that had been carried by previous generations.

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  3. Planetary Science

    Dusty rejuvenation

    The Mars rover Spirit recently had its dirty solar arrays cleaned off, possibly by a dust devil, allowing the craft to generate nearly as much energy as it did when it first landed on the Red Planet in January 2004.

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  4. Ecosystems

    Quick Fix: How invasive seaweed repairs its wounds

    Scientists have discerned the chemistry underlying the rapid wound-healing process in an invasive green alga that is wreaking havoc in the Mediterranean Sea.