Feature

  1. Finding new ways to spell L-I-F-E

    XNA molecules join DNA and RNA in the genetic catalog.

    By Rachel Ehrenberg

  2. Prions may cause Alzheimer’s

    Similarity found with destructive protein behind mad cow.

    By Laura Sanders

  3. Earth’s new neighbor looks familiar

    Planet discovered in Alpha Centauri, just a few light-years away.

    By Nadia Drake
  4. Life

    Women may make new eggs

    If true, finding could lead to new fertility treatments.

    By Tina Hesman Saey
  5. Science & Society

    Scientists take on Twitter

    Social media comes into its own as a tool and a subject for study.

    By Rachel Ehrenberg
  6. Neuroscience

    Your social brain

    Nerve cells notice mistakes and learn from others’ desires.

    By Laura Sanders
  7. Climate

    Climate change goes to extremes

    Some recent weird weather tied to warming.

    By Janet Raloff
  8. Humans

    Bionic women (and men) get closer to reality

    Prosthetics and new therapies restore abilities to move, see, walk.

    By Rachel Ehrenberg
  9. Life

    Controversial bird flu papers fly

    But research freeze holds.

    By Tina Hesman Saey
  10. Planetary Science

    Curiosity goes to Mars

    NASA’s rover looks for life-friendly environments.

    By Nadia Drake
  11. Physics

    Higgs discovery helps make sense of matter

    Long-sought boson completes standard model of physics.

    By Alexandra Witze

  12. Science News Top 25

    Science News reviews the year in science with a compilation and analysis of the most fascinating stories reported in the magazine. Also highlighted are reader favorites, debunked science and the year's weirdest stories.

    By Science News