We're (eventually) doomed: passing stars may rain comets on Earth
 

There are many things in space that can bring life on Earth to an end, whether they're wayward asteroids or the eventual death of our Sun. However, the chances of a calamitous event may well go up if the calculations of Max Planck Institute scientist...

http://www.engadget.com/2015/01/05/p...=rss_truncated