U.S. officials: We still don’t know who shot down Malaysian airliner

July 22, 2014 05:18 PM

UPDATED July 23, 2014 03:39 AM


More Videos

  • This is what the interstellar visitor passing through our solar system looks like

    A newly discovered object from another star system passing through our galaxy is dazzling scientists. This week (November 2017), astromers have been observing this first-ever confirmed interstellar visitor. NASA has released a video showing an artist’s concept of the object.