Uncategorized

  1. Planetary Science

    Check out some of the weird rocks that have turned up on Mars

    Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

    By Lisa Grossman
  2. Health & Medicine

    How U.S. public health cuts could raise risks of infectious diseases

    Deep funding cuts and widespread layoffs impact everything from local public health outreach to global disease surveillance, making us more vulnerable, experts warn.

    By Tina Hesman Saey
  3. Earth

    The ozone layer shields life on Earth. We’ll soon lose a key way to monitor its health

    Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.