News

  1. Anthropology

    Homo naledi may have lived at around same time as early humans

    South African species Homo naledi is much younger than previously thought.

    By Bruce Bower
  2. Planetary Science

    Oxygen on comet 67P might not be ancient after all

    Molecular oxygen detected around comet 67P may not be a relic of the solar system’s birth. Instead, it may be generated by interactions of water, the solar wind and the comet’s surface.

    By Ashley Yeager
  3. Archaeology

    Twisted textile cords may contain clues to Inca messages

    A writing system from the 1700s may illuminate even older knotty Inca messages.

    By Bruce Bower
  4. Animals

    In Florida, they’re fighting mosquitoes by meddling with their sex lives

    As an alternative to genetically modified mosquitoes, Florida skeeter police are testing one of two strategies that use bacteria to meddle with insect sex lives.