News

  1. Paleontology

    Ancient microbe fossils show earliest evidence of shell making

    Armor-plated, 809-million-year-old fossilized microbes discovered in Canada are the oldest known evidence of shell making.

    By Thomas Sumner
  2. Animals

    New case emerging for Culex mosquito as unexpected Zika spreader

    The much-debated proposal that a Culex mosquito could help spread Zika gets some international support.

    By Susan Milius
  3. Planetary Science

    Mercury’s surface still changing

    A population of small cliffs on Mercury suggests that the planet might have been tectonically active in the last 50 million years.

    By Christopher Crockett
  4. Archaeology

    Ancient Maya codex not fake, new analysis claims

    New report suggests an ancient Maya text — the bark-paper Grolier Codex — could be the oldest known document in Americas.