News

  1. Astronomy

    A record-breaking star could reveal how the Milky Way’s giant black hole spins

    The star passes very close to the Milky Way’s supermassive black hole and could reveal the black hole’s spin by tracking how it warps the star’s orbit.

    By Mara Johnson-Groh
  2. Health & Medicine

    No refrigerator, no problem. This experimental vaccine doesn’t need it.

    In early trials, a new vaccine that didn’t require refrigeration still protected against tetanus and diphtheria.

    By Sahas Mehra
  3. Animals

    Shrews’ noses grow in winter as their brains shrink

    Long-clawed shrews’ snouts temporarily grow larger in the winter. This skull reshaping may be an extreme survival strategy in cold conditions.

    By Jake Buehler
  4. Health & Medicine

    What Spider-Man gets right — and wrong — about turning off superpowers

    In 'Spider-Man: Brand New Day,' Peter Parker devises a superpower inhibitor based on a real therapy using RNA.