News

  1. 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
  2. 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.

    By Soumya Sagar
  3. Astronomy

    A star cluster in the Milky Way appears to be as old as the universe

    Globular cluster M92 is about 13.8 billion years old, a new calculation suggests.