- Voyager 1 Has Left Solar System, Enters Interstellar Space http://www.space.com/22729-voyager-1-spacecraft-interstellar-space.html 1467 comments worldnews
- NASA confirms Voyager 1 has left the solar system and entered interstellar space http://www.nasa.gov/mission_pages/voyager/voyager20130912.html#.ujimcz-on5m 43 comments worldnews