IRS chief refuses to apologize for lost emails

June 20, 2014 12:37 PM

UPDATED June 20, 2014 12:48 PM


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.