Notebook

  1. Astronomy

    Fast-moving star duo is heading out of the Milky Way

    A pair of hyperfast stars hurtling through a remote region of the Milky Way might have been orphaned after a long-ago galactic collision, a new study suggests.

    By Christopher Crockett
  2. Astronomy

    Earth has nothing on this exoplanet’s lightning storms

    Lightning storms far more intense than any on Earth might explain radio waves that once came from a planet 124 light-years away.

    By Christopher Crockett
  3. Health & Medicine

    Early work on human growth hormone paved way for synthetic versions

    In 1966, researchers reported the complete chemical structure of human growth hormone. Today synthetic growth hormone is used to treat growth hormone deficiency.