ScienceCasts: Voyager 1 at the Final Frontier

"When the Voyagers launched in 1977, the Space Age was all of 20 years old," says Stone. "Many of us on the team dreamed of reaching interstellar space, but we really had no way of knowing how long a journey it would be -- or if these two vehicles that we invested so much time and energy in would operate long enough to reach it. " As the Space Age nears the 55-year mark, there is little doubt: The Voyagers are going the distance.

Read more at: http://phys.org/news/2012-06-voyager-frontier.html#jCp