News

  1. Health & Medicine

    Cells in groups may promote cancer’s spread

    Cellular gangs, not individuals, form distant tumors from breast malignancies, a new study finds.

    By Tina Hesman Saey
  2. Chemistry

    Early asteroid impacts may have aided life’s origin

    RNA ingredients found in laser-induced simulation of explosions.

    By Beth Mole
  3. Earth

    Mineralogy’s link to ecology makes an Earth twin unlikely

    Earth’s unique blend of minerals emerged with the evolution of life, making it extremely unlikely that another planet has Earth’s exact mineral composition.

    By Tina Hesman Saey
  4. Climate

    California drought worst in at least 1,200 years

    The current California drought is the most severe in 1,200 years, according to historical information gleaned from tree rings.