NASA says the study of UFOs will require new scientific techniques, including advanced satellites as well as a shift in how unidentified flying objects are perceived. The space agency released findings Thursday after a yearlong study into UFOs. (Sept. 14)

NASA releases UFO report and says more data needed

NASA says the study of UFOs will require new scientific techniques, including advanced satellites as well as a shift in how unidentified flying objects are perceived. The space agency released findings Thursday after a yearlong study into UFOs. (Sept. 14)