Uncategorized

  1. Chemistry

    Methane-making microbes thrive under the ice

    Antarctica’s ice sheets could hide vast quantities of the greenhouse gas, churned out by a buried ecosystem.

    By Alexandra Witze
  2. Space

    Spacecraft takes express tour of Martian moon

    New images and gravity data reveal details about the origin and composition of Phobos.

    By Ron Cowen
  3. Life

    To catch a thief, follow his filthy hands

    Bacteria from a person’s hands may provide a new type of fingerprint.

    By Tina Hesman Saey
  4. Ecosystems

    Iron fertilization in ocean nourishes toxic algae

    Efforts to prevent global warming by fertilizing the oceans with iron could trigger harmful algal blooms.