Joe Lauria says that that it was likely Google's Project Loon: Not an alien invasion: Here’s what those two white objects in KC’s sky most likely are
Another theory . . . The balloons may be a flight test for the Defense Advanced Research Projects Agency. DARPA said it launched three balloons from Cumberland, Maryland on Wednesday.
Meanwhile, here's policy news that reveals the search for intelligent life starts on Earth:
In 2004, two Navy pilots near San Diego encountered what they said was a strange aircraft: "whitish" in color, oval in shape, and capable of accelerating "like nothing I've ever seen," one of the pilots would later tell the New York Times. "I have no idea what I saw," the pilot said to a colleague afterward.