Black triangle (UFO)

This article is about UFOs. For other uses, see black triangle (disambiguation).
"TR-3B" redirects here. For the car, see Triumph TR3B.
Drawing of the Phoenix Lights, an example of a black triangle UFO sighting

Black triangles are UFOs reported as having a triangular shape and dark color, typically observed at night, described as large, silent, hovering, moving slowly, and displaying pulsating, colored lights which they can turn off.