News

  1. Planetary Science

    Rosetta reveals a complex comet

    Rosetta finds diverse landscapes on comet 67P, which could provide researchers with clues about how the solar system formed.

    By Christopher Crockett
  2. Genetics

    Scientists find new way to corral genetically engineered bacteria

    Engineering E. coli to depend on human-made molecules may keep genetically modified bacteria from escaping into nature.

    By Kate Baggaley
  3. Neuroscience

    Brain’s protective barrier gets leakier with age

    Aging influences the breakdown of the blood-brain barrier, which may contribute to learning and memory problems later in life.

    By Ashley Yeager
  4. Neuroscience

    Newly identified brain circuit hints at how fear memories are made

    A newfound set of brain connections appears to control fear memories, a finding that may lead to a better understanding of PTSD and other anxiety disorders.