Updated On: 13 September, 2013 10:58 AM IST | | IANS
US space agency NASA said Thursday that its Voyager 1 spacecraft has become the first man-made object to venture into interstellar space

Voyager 1. Pic: GMD
New and "unexpected" data indicated 36 years after it was launched, Voyager 1 has left the heliosphere, the bubble of hot, energetic charged particles surrounding the solar system, and entered into a region of cold, dark space, known as interstellar space, Xinhua reported citing NASA.