News

  1. Animals

    Bottlenose dolphin moms use baby talk with their calves

    When their babies are near, bottlenose dolphin moms modify their signature whistles, similar to human parents speaking in baby talk.

    By McKenzie Prillaman
  2. Anthropology

    Fossil marks suggest hominids butchered one another around 1.45 million years ago

    Researchers disagree whether new evidence of stone tool marks on a hominid leg bone reflects ancient cannibalism or perhaps some other, undetected behavior.

    By Bruce Bower
  3. Life

    1.6-billion-year-old steroid fossils hint at a lost world of microbial life

    Molecular fossils suggest the existence of a lost world of primitive eukaryotes that dominated aquatic ecosystems from at least 1.6 billion to 0.8 billion years ago.