SPACE - Five Billion Years of Solitude : Looking for Longevity [Excerpt]

Reprinted from Five Billion Years of Solitude: The Search for Life among the Stars, by Lee Billings. With permission of Current, a member of Penguin Group (USA), LLC, A Penguin Random House...-- Read more on ScientificAmerican.co ...

http://www.scientificamerican.com/article.cfm?id=five-billion-years-of