NASA's Voyager 1 probe travels in new realm on solar system's edge

By Tia GhoseSpace.comNASA's Voyager 1 spacecraft — the farthest-flung object created by human hands — has traveled beyond the sun's sphere of influence and may even have left the solar system forever, a new study suggests.On Aug. 25, 2012, 35 years after the Voyager 1 mission launched, Earth's most distant spacecraft detected a sharp change in the intensity of fast-moving charged particles called ...