What would life on other planets mean for humans?

Available for over a year

A leading scientist tells the BBC's science correspondent Pallab Ghosh that the prospect of finding alien life is not far away. But what would a discovery of this magnitude mean for the human race? BBC InDepth is the home of the best news analysis, with fresh perspectives that challenge assumptions and deep reporting on the biggest issues of the day. You can find more articles from InDepth - like this one - on the BBC News website and app. (Image: Getty)