News

  1. Microbes

    New pill tracks gases through your gut

    Swallowing these pill-sized sensors could give new insight into what’s going on in your gut.

    By Maria Temming
  2. Astronomy

    White dwarf’s inner makeup is mapped for the first time

    The first map of the internal composition of a white dwarf star shows these stellar corpses contain more oxygen than expected, challenging stellar evolution theories.

    By Lisa Grossman
  3. Animals

    Blowflies use drool to keep their cool

    Personal air conditioning the blowfly way: Dangle a droplet of saliva and then reswallow.

    By Susan Milius
  4. Life

    A key virus fighter is implicated in pregnancy woes

    In mice, activating a key component of the body’s antiviral machinery in response to a Zika infection can cause harm to developing fetuses.