News

  1. Astronomy

    Milky Way will be hit head-on

    The Andromeda galaxy is destined to slam directly into ours, new observations from the Hubble Space Telescope show.

    By Alexandra Witze
  2. Genetics

    Poppies make more than opium

    A 10-gene cluster controls the flowers’ production of a valuable cough suppressant and antitumor compound.

    By Tina Hesman Saey
  3. Life

    Treatment helps paralyzed rats walk

    A combination of drugs, electrical stimulation and therapy can restore lost connections between lower limbs and brain.

    By Laura Sanders
  4. Life

    Blue-green algae release chemical suspected in some amphibian deformities

    Retinoic acid levels high in waterways rich in cyanobacteria blooms.

    By Susan Milius
  5. Earth

    Supervolcanoes evolve superquickly

    Huge underground chambers of magma appear and erupt within just several centuries, a study of California rocks suggests.