News

  1. Astronomy

    Radio signal probably not from extraterrestrials

    A possible radio signal from extraterrestrials probably originated a lot closer to home.

    By Christopher Crockett
  2. Animals

    Dog brains divide language tasks much like humans do

    Dogs understand what we say separately from how we say it.

    By Laurel Hamers
  3. Health & Medicine

    Tasmanian devils evolve resistance to contagious cancer

    Tasmanian devils are evolving resistance to a deadly contagious cancer.

    By Tina Hesman Saey
  4. Anthropology

    Fossil autopsy claims Lucy fell from tree

    A contested study suggests a famous fossil ancestor plunged to her death.

    By Bruce Bower
  5. Physics

    Bacteria-sized molecules created in lab

    Cesium atoms with high-energy electrons pair up to form giant molecules.