Transcript for Instant Index: Spacecraft Voyager One Ends 35-Year-Long Journey
at the top of our instant index tonight, something happening for the first time in human history. A little man-made object is about to hurdle its way all the way out of the solar system. The voyager was launched 35 years ago, carrying records encoded with information about life on earth. Music by beethoven, mozart and chuck berry. It is now 17 billion miles away, beaming back pictures. One of the last was in september, and here it is. A little picture of us on earth, just a dot seen from far, far away. Kind of a wave to us in the rearview mirror. And back here on earth, another postcard, the power of two forces of nature coming together. This is the split second in which you see lightning striking as a volcano erupts. German photographer martin reeve traveled to the volcano and waited forays and got these incredible shots. And a political victory to tell you about for stephen colbert, one of the kings of satire on comedy central has a real politician on the rise in his family. Elizabeth colbert bush has won the democratic primary nomination of the special election to fill a vacant south carolina seat. Her famous brother steven says he's going to do everything in his power to help her score a victory in may. And she says she's ready to go to washington. By the way, colbert says his sister will not be safe from his jokes. He will target her if she does something funny. If you see something you love out there for our instant index,
This transcript has been automatically generated and may not be 100% accurate.