Unusual 2013 sighting: A newly declassified infrared video shows a star-shaped object drifting over the Middle East, baffling investigators for over a decade. Likely earthly origin: Analysts believe ...

A video of a potential UFO, shaped like an eight-pointed star, that the White House posted today (May 11) has caused online debate. On Friday, President Trump announced an order to begin releasing ...

Abstract: The use of slow-speed low-altitude unmanned aerial vehicles (UAVs) is becoming increasingly widespread, and the characteristics of low-altitude, slow-speed, and small targets make them ...