News

  1. Health & Medicine

    Visual Clarity: People with MS maintain eyesight with drug

    A drug for multiple sclerosis seems to prevent subtle vision loss in many patients.

    By Nathan Seppa
  2. Tech

    A New Low: Lilliputian pipette releases tiniest drops

    Physicists have constructed a pipette that dispenses a billionth of a trillionth of a liter.

    By Aimee Cunningham
  3. Planetary Science

    Northern Exposure: The inhospitable side of the galaxy?

    Our solar system's periodic motion from one side of the galaxy to the other could expose life on Earth to massive amounts of cosmic rays and cause recurring, catastrophic mass extinctions.

    By Davide Castelvecchi
  4. Paleontology

    Forest Primeval: The oldest known trees finally gain a crown

    Recently unearthed fossils provide new insights about the appearance of the world's oldest known trees, plants that previously were known only from preserved stumps.