"Stephen Hawking warns over making contact with aliens" http://news.bbc.co.uk/2/hi/uk_news/8642558.stm http://news.bbc.co.uk/2/hi/uk_news/8642558.stm (Also fr

"Stephen Hawking warns over making contact with aliens" http://news.bbc.co.uk/2/hi/uk_news/8642558.stm http://news.bbc.co.uk/2/hi/uk_news/8642558.stm (Also from his new book)