News

  1. Health & Medicine

    Vaccine didn’t cause heart deaths

    Fatal heart attacks that recently struck two people after they were vaccinated against smallpox were probably unfortunate coincidences, not adverse consequences of vaccination.

    By Ben Harder
  2. Physics

    Fusion device crosses threshold

    By sparking thermonuclear reactions, a machine called Z has joined the big leagues among potential technologies for producing power from controlled nuclear fusion.

    By Peter Weiss
  3. Astronomy

    Echoes of a stellar outburst

    Light from the outburst of a star has revealed its dusty surroundings.

    By Ron Cowen
  4. Health & Medicine

    Shots stop allergic reactions to venom

    An immune therapy prevents allergic reactions to the sting of the jack jumper ant, a pest common to Australia.