 When they returned, the UFO was gone, and it had been in sight for about 20 minutes. And that's what we have for tonight, George. All right, my friend. We'll talk to you next week. Researchers in Saudi Arabia have made an exciting discovery. They dug up eight 7,000-year-old stone circles in Saudi Arabia. The stone circles were found in a lava field in the northwestern part of that country. It is believed that they were once used as homes. Aerial surveys are finding even more.