The UFO phenomenon refers to reports and sightings of unidentified flying objects that cannot be easily explained. These objects are often described as unusual aircraft or lights in the sky, leading to speculation about their origins. Many people associate UFOs with potential extraterrestrial life, although most sightings are later identified as natural or man-made objects. Throughout history, various governments and organizations have investigated UFO sightings. The U.S. government has conducted studies, such as the Project Blue Book, to analyze these reports. Despite extensive research, many UFO sightings remain unexplained, contributing to ongoing interest and debate about their nature and implications.