News

  1. Space

    Galaxies going green

    An unusual group of green, pea-shaped galaxies may be nearby analogs of remote galaxies undergoing a high rate of star formation.

    By Ron Cowen
  2. Earth

    Comet likely culprit in Tunguska blast

    Analysis of shuttle plume movement suggests Tunguska event could have caused clouds over London.

    By Sid Perkins
  3. Chemistry

    Brilliant blue for the spine

    A study in rats suggests the blue dye similar to that found in popsicles and sports drinks may prevent cell death after spinal cord injury.

    By Rachel Ehrenberg
  4. Life

    Allergy meds slim down obese mice

    Animal study shows over-the-counter medications lower weight and treat type 2 diabetes.