Occurred on July 18, 2016 / Novosibirskaya Oblast, Russia <br /><br />Info: A blue glowing ball appeared over a field in Russia and some suspected it was a UFO. Scientists believe it was actually a rare example of ball lightening, that is usually associated with thunderstorms. This type of lightning lasts up to a minute and floats over the ground. The Ball Lightning phenomenon is still not fully understood by scientists.<br /><br />Credit: Roman Tregubov
