News

  1. Astronomy

    Hot and Heavy Star Birth: Young cosmos delivers massive stars

    Aided by a gravitational zoom lens, astronomers have discovered the hottest, brightest, and most crowded star-forming region ever observed.

    By Ron Cowen
  2. Earth

    Cast-Iron Foot: Undersea snail has mineral armor

    An as-yet-unnamed species of snail living around hydrothermal vents deep beneath the Indian Ocean bears a suit of armor forged from the minerals dissolved in the hot fluids that spew from its seafloor environment.

    By Sid Perkins
  3. Health & Medicine

    Soy compounds thwart estrogen

    Soy-stress compound interferes with estrogen activity, possibly pointing the way to a new breast-cancer drug.

    By Janet Raloff
  4. Earth

    UV-pollutant combo hits tadpoles hard

    Coincident exposure to ultraviolet light and an estrogen-mimicking pollutant severely jeopardized the chance a tadpole would reach adulthood.