News

  1. 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
  2. Humans

    Language learning may begin before birth

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

    By Bruce Bower
  3. Chemistry

    Hottest temperature ever measured is a negative one

    Ultracold gas sets record on the kelvin scale.

    By Andrew Grant
  4. Space

    New Martian meteorite is one of a kind

    Rock is water-rich and resembles observed regions of Red Planet’s crust.

    By Tanya Lewis
  5. Health & Medicine

    Inactivated virus shows promise against HIV

    Some patients getting an experimental vaccine therapy developed immunity.