News Space Most distant quasar raises questions Extreme age challenges theories of black hole formation Share this:FacebookTwitterPocketRedditPrint By Nadia Drake June 29, 2011 at 4:25 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe