News

  1. 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.

    By Christen Brownlee
  2. 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.

    By Ron Cowen
  3. 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.

    By Alexandra Goho
  4. Astronomy

    Star Packed: Super cluster is first to be detected in Milky Way

    Astronomers have detected the most massive and densest cluster of young stars ever detected in the Milky Way, a finding that could shed light on how stars formed in the early universe.