A long-awaited Pentagon report on UFOs was released, revealing there have been more than 140 unexplained sightings since 2003. The report found no evidence that the objects came from outer space. "CBS Evening News with Norah O'Donnell" delivers the latest news and original reporting, and goes ...

The Pentagon on Friday released its highly anticipated report on UFO sightings in recent years. But the report failed to conclusively identify the aerial objects, keeping the mystery of their existence afloat. David Martin reports. "CBS Evening News with Norah O'Donnell" delivers the latest news ...