Is+there+life+on+other+planets?

News stories:
 * http://news.bbc.co.uk/cbbcnews/hi/newsid_7250000/newsid_7250200/7250201.stm Earth-like planets are out there
 * http://news.bbc.co.uk/cbbcnews/hi/newsid_6590000/newsid_6590600/6590625.stm Is there life on new planet?
 * http://news.bbc.co.uk/cbbcnews/hi/sci_tech/newsid_2284000/2284122.stm Planet Venus may have bugs, say scientists
 * http://news.bbc.co.uk/cbbcnews/hi/chat/your_comments/newsid_2634000/2634955.stm Do aliens exist?