News

  1. Astronomy

    Feeling the heat of an extrasolar planet

    Astronomers have measured the temperature variation between the lit and unlit sides of a planet outside the solar system.

    By Ron Cowen
  2. Health & Medicine

    Prep Work: Bird-flu vaccine might work better with primer

    Giving people a vaccine against an existing form of avian influenza might help them respond better when given a shot for a future strain of the virus during a pandemic.

    By Nathan Seppa
  3. Astronomy

    Assault on Andromeda: Nearby galaxy had recent collision

    New findings suggest that a small galaxy recently plunged into Andromeda, opening a new window on collisions that are rare today but were common in the early universe.