The US space agency says its Voyager-1 probe is once again sending usable information back to Earth after months of spouting gibberish. The Nasa spacecraft is humanity's most distant object, being more than 24 billion km (15 billion miles) away. A computer fault stopped it returning readable data in November but engineers have now fixed this. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #NASA #Space #BBCNews