News

  1. Health & Medicine

    New cancer drugs wake up sleeping killer T cells

    The immune system’s T cells, often evaded by tumors, might now resume the attack.

    By Nathan Seppa
  2. Health & Medicine

    Spit test could provide early warning of head, neck cancers

    A new study shows that signs of head and neck cancer can be detected in saliva and blood plasma even before tumors are clinically diagnosed.

    By Sarah Schwartz
  3. Astronomy

    Dark galaxies grow in abundance

    Nearly 1,000 shadowy galaxies lurk in a nearby cluster, some of which are as massive as the Milky Way and yet have only 0.1 percent the number of stars.

    By Christopher Crockett
  4. Astronomy

    Magnetic ‘glue’ helps shape galaxies

    Galaxy-wide magnetic fields may play a role in shaping the spiral arms of gas and stars.