John Zarrella reports on a growing body of evidence that there is life beyond Earth.
A look back at some of John Zarrella's most memorable moments on CNN.
Florida Police have arrested Earl Sampson 56 times at his job for trespassing. CNN's John Zarrella reports.
John Zarrella reports on a sinkhole in Florida which is threatening 7 homes.
More Clips & Interviews
More Credits (5)
Download the TV Guide app for iPhone, iPad and Android!