The federal government released its anticipated report on UFOs on Friday, confirming that more than 100 of them remain unidentified. After reviewing reports of sightings since 2004, the government can't say whether they can be explained by atmospheric visual tricks or extraterrestrial life, or neither, the Washington Post reports. There's no evidence that aliens are behind the flights, but there's no evidence that they're not. There's also no data to attribute the sightings to secret US weapons programs or unknown technology belonging to China or Russia, per the New York Times, but the report said those remain possibilities. It said an American company could be behind the technology, but officials dismissed that. The full report, about what the government now calls unidentified aerial phenomena, can be read here.
The UAPs don't all move the same way, the report says, so they might have varied origins. "Some UAP appeared to remain stationary in winds aloft, move against the wind, maneuver abruptly, or move at considerable speed, without discernible means of propulsion," the report says. One official said, "There is no one answer about what these UAP are." The lack of answers could well increase speculation about the possibilities. The report broke down five categories of potential explanations, including human-made floating junk such as balloons and plastic bags, as well as weather activity that fooled cameras or sensors. In the end, only one of the 144 sightings was explained by airborne junk. The most intriguing category, the last, where the government put sightings it was unable to generate a theory about, was "other." The Pentagon plans to improve its data collection on the sightings, using artificial intelligence and machine learning. (Read more UFOs stories.)