You can read lots of these - http://skyandtelescope.com/news/article_1649_1.asp", for example - I thought it might be fun to take a different view! What were the most notable non-discoveries for 2005? What were the most outstanding failures? I'll go first. In the second category, I nominate http://skyandtelescope.com/news/article_1564_1.asp". Oh, and one more category - what was, in 2005, the most http://www.m-w.com/cgi-bin/dictionary?book=Dictionary&va=serendipity" [Broken] discovery in astronomy?