News Space Betelgeuse shrinks The red supergiant has lost 15 percent of its size Share this:FacebookTwitterPocketRedditPrintEmail By Ron Cowen June 10, 2009 at 5:11 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