Feature

  1. Physics

    Science Stimulus

    Researchers look to the new administration to bring fresh perspectives to health, energy, climate policy and science funding.

    By Janet Raloff

  2. Science News at AAAS 2009

    The American Association for the Advancement of Science is holding its annual meeting February 12 through 16 in Chicago. Leading researchers from all fields will discuss recent work and insights. Check here for the latest news from the SN writers attending the meeting.

    By Science News
  3. Space

    Cosmic mystery

    High-energy invaders from space could signal a nearby pulsar, or perhaps dark matter.

    By Susan Gaidos
  4. Life

    Mitochondria Gone Bad

    Problems in the cell’s energy factories power new ideas on disease and aging.