News

  1. Space

    Runaway stars may create the mysterious ultraviolet glow around some galaxies

    Hot blue stars kicked out of their birthplace can travel thousands of light-years to their galaxies’ hinterlands, new computer simulations show.

    By Ken Croswell
  2. Life

    Dog ticks may get more of a taste for human blood as the climate changes

    At high temperatures, some brown dog ticks that can carry the bacteria that causes Rocky Mountain spotted fever seem to prefer humans over dogs.

    By Aayushi Pratap
  3. Health & Medicine

    Coronavirus shutdowns don’t need to be all or nothing

    Governments are implementing more targeted restrictions like limiting restaurant capacity to slow a fall surge. Research suggests they could work.