News

  1. Animals

    Greenland sled dog DNA is a window into the Arctic’s archaeological past

    A genomic analysis of Greenland’s Qimmeq dogs suggest they and their human partners arrived on the island centuries earlier than previously thought.

    By Jake Buehler
  2. Animals

    As bird flu evolves, keeping it out of farm flocks is getting harder

    New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

    By Tina Hesman Saey
  3. Earth

    An ancient Earth impact could help in the search for Martian life

    Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts.