News

  1. Space

    Galaxy mix: No dark matter required

    New ultraviolet observations suggest dwarf galaxies may form without dark matter. The findings have implications for the early universe.

    By Ron Cowen
  2. Astronomy

    A green visitor makes its approach

    Comet Lulin, which passes closest to Earth on February 24, may be a sight for sore eyes.

    By Ron Cowen
  3. Agriculture

    Predators zoom in on lice-infested salmon

    New research reveals another impact of fish farming on wild stocks.

    By Rachel Ehrenberg
  4. Health & Medicine

    Bullies’ brains empathize, but with a twist

    Brain imaging studies show teens with aggressive conduct disorder display greater brain activity while viewing video of others in pain.