This artist's concept shows Nasa's Voyager 1 spacecraft exploring a new region in the solar system called the ‘magnetic highway’. After 33, NASA's twin Voyager spacecraft are still going strong and sending home information. Voyager 1, launched in 1977 to explore the outer planets, has passed into a new region on its way out of th esolar system, scientists said .

A space probe launched 35 years ago has become the first man-made object to leave the solar system, scientists said today. Voyager 1 is (...)