News

  1. Astronomy

    Supernova may be in a new class

    A recently discovered stellar explosion may be part of a new class of supernova.

    By Ron Cowen
  2. Paleontology

    Bird in the hand

    Fossilized fingers strengthen evolutionary link between dinosaurs and avian relatives.

    By Sid Perkins
  3. Tech

    Proposed quantum motor runs with a kick

    Scientists suggest a way to put ultracold atoms to work.

    By Laura Sanders
  4. Earth

    White House releases report on climate change

    A new White House report addresses current and projected impacts of climate change across the United States.

    By Sid Perkins
  5. Health & Medicine

    Gene plus stress equals depression debate

    A reanalysis of data challenges a prominent report that a particular gene variant interacts with stressful experiences to promote depression, sparking controversy.