News in Brief

  1. Earth

    Greenland may have another massive crater hiding under its ice

    There may be yet another large crater buried beneath Greenland’s ice sheet. But it’s probably not related to the first one found last year.

    By Carolyn Gramling
  2. Astronomy

    Ultima Thule is shaped like two lumpy pancakes

    Scientists are rethinking the shape of the space rock, once thought to be a snowman.

    By Emily Conover
  3. Health & Medicine

    In some cases, getting dengue may protect against Zika

    A Zika outbreak in a Brazilian slum suggests that the timing of dengue infections may matter for protection against Zika.

    By Tina Hesman Saey
  4. Health & Medicine

    Pills equipped with tiny needles can inject a body from the inside

    High-tech pills equipped with medicinal needles could administer painless shots inside the body.