News

  1. Earth

    Melt pond falls through ice in Greenland

    A lake of meltwater atop Greenland's ice sheet wedged open a crack in the underlying ice that drained the lake dry.

    By Sid Perkins
  2. Health & Medicine

    Old drug offers new tricks for fighting cancer

    A drug once envisioned as a treatment for cancer might instead prevent the occurrence of colorectal cancer.

    By Nathan Seppa
  3. Health & Medicine

    Triggering autoimmune assaults

    Mouth bacteria unleash inflammation-inducing protein

    By Janet Raloff
  4. Life

    Elephant kin liked the water

    Moeritherium, ancient relatives of modern elephants, may have spent much of their time in lakes, rivers or swamps.