Garth Brooks rescinded his offer to have an "America's Got Talent" finalist perform with him at his historic show at Notre Dame, the singer revealed Monday night. Michael Ketterer was arrested on ...

A map of the areas sampled by analytical chemist Michael Ketterer who released his findings of legacy plutonium waste in Los Alamos' Acid Canyon. (Courtesy of Michael Ketterer) Los Alamos, the Atomic ...

Weeks ago, after Ketterer's powerful performance during the quarter-finals round, Simon Cowell called out Brooks and challenged him to pen an original tune for the hopeful to sing during the finals.