News

  1. Life

    Old stem cell barriers fade away

    Barrier that keeps aging factors out of stem cells breaks down with age.

    By Tina Hesman Saey
  2. Science & Society

    Rocky families, not same-sex parents, blamed for kids’ troubles in adulthood

    Range of adult problems linked to childhood family changes, not gay parents.

    By Bruce Bower
  3. Planetary Science

    Enceladus’ ocean goes global

    A subsurface liquid water ocean envelops Saturn’s icy moon Enceladus.

    By Christopher Crockett
  4. Planetary Science

    Mars’ ionosphere mystery explained

    A decades-old disagreement between the Viking landers and spacecraft buzzing around Mars might come down to what time of day each was investigating the Red Planet’s ionosphere.