ET chasers say they believe it could prove once and for all aliens visit Earth.
The bizarre object was filmed by a shocked driver at night in Florida.
In the short video, first broadcast by the FindingUFO YouTube channel, the man who filmed it cannot contain his amazement at what he is seeing.
The witness, who has not been named, is said to have captured the footage on May 7 on Highway 46.
He said in the clip: "I don't know if this is being caught, but there is a f***ing flying saucer right there.
"What the… it was moving and now it's hovering.
"I don't see it anymore, where the hell did it go?
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