NASA has released information on the current status of Voyager 1 and the spacecraft has moved into interstellar space, is the claim. It is 12 billion miles from the Sun and it seems over the last year it has been travelling through plasma or ionised gas, present in the space between stars. Voyager is still in the transition zone but is actually outside the solar bubble. See www.jpl.nasa.gov/news/news.php?release=2013-277&cid=release_2013-277
See also www.sciencenews.org/view/generic/id/353199/title/At_last_Voyager_1_slips… … which reveals that it may not quite be out of the influence of the Sun as the magnetic field direction has not shifted