UFO sightings in 1966 in Michigan led to the "swamp gas" explanation. People continue to report unidentified aerial phenomena as recently as March 25.

WE’VE RECEIVED CALLS AND VIDEO FROM PEOPLE ACROSS OUR REGION TONIGHT ... Northern California reached out to KCRA 3 after seeing an object streaking across the night sky on Monday.

They wrote about seeing orbs, crosses, cylinders, and a giant, mysterious black arrow-shaped object, which crash-landed ...

Here's a look at what people have spotted in the skies above Florida. The black object above Green Cove Springs ... The first report was in 1944. See map of sightings That puts Florida ...