News Life Giant ants once roamed Wyoming First complete fossil found in North America Share this:FacebookTwitterPocketRedditPrintEmail By Susan Milius May 4, 2011 at 4:19 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