News

  1. Astronomy

    The most distant rotating galaxy hails from 13.3 billion years ago

    Astronomers have spotted a rotating galaxy whose light comes from just 500 million years after the Big Bang.

    By Lisa Grossman
  2. Health & Medicine

    Two pig hearts were successfully transplanted into brain-dead people

    The transplants kept the patients’ blood flowing for three days and are an early step in figuring out if the procedure might work in living people.

    By Erin Garcia de Jesús
  3. Environment

    Flower shape and size impact bees’ chances of catching gut parasites

    Bumblebees have higher chances of contracting a gut parasite from short, wide flowers than from blooms with other shapes, experiments show.