Feature

  1. Cosmology

    Infinity

    Success in coping with infinity could strengthen case for multiple universes.

    By Tom Siegfried

  2. Nanomaker’s Toolkit

    Scientists harness charge, magnetism and even DNA to guide matter’s assembly into new materials.

    By Solmaz Barazesh

  3. Serotonin: What the gut feeds the bones

    Chemical messenger plays a surprising role in determining the strength of the skeleton.

    By Laura Beil
  4. Humans

    Science News at ISEF 2009

    Highlights from the 2009 Intel Science and Engineering Fair in Reno, Nev.

    By Science News

  5. Eyes on the sky

    A roster of new and proposed telescopes

    By Science News
  6. Astronomy

    New eyes on the cosmos

    The next constellation of telescopes will dramatically extend and sharpen scientists’ view of the universe.