News

  1. Earth

    Quakes may bring nearby rocks closer to rupture

    Lab studies could explain how a seemingly stable geologic fault can fail.

    By Erin Wayman
  2. Life

    City lights create sexual early birds

    Male blackbirds exposed to nocturnal illumination are ready to mate sooner in spring.

    By Susan Milius
  3. Health & Medicine

    Long space missions may be hazardous to your sleep

    Crew on simulated Mars trip moved less and slept more during 520-day project.

    By Laura Sanders
  4. Humans

    Language learning may begin before birth

    Newborns show signs of having tracked moms’ speech while still in the womb.

    By Bruce Bower
  5. Chemistry

    Hottest temperature ever measured is a negative one

    Ultracold gas sets record on the kelvin scale.