Lights blinked out and object reappeared instantly ... and the Dexter UFO was just swamp gas. The swamp gas theory didn't go over so well. Many thought it was a huge cover-up.

Most of the predatory light stories are attributed to sightings of swamp gas, a totally non-paranormal event also known as "foxfire" and "wetland flatulence," according to Steve Knight ...

The lights sometimes would vary in intensity and ... and he was mumbling, “Swamp gas.” I don’t think Hynek knew what swamp gas actually was until he got this phone call.

The lights make it appear as if there is an oncoming ... However, no one has actually tested the “swamp gas” theory, and there haven’t been any reports of the “wisp” in over a century.

The Marfa Lights, mysterious glowing orbs that appear in the desert outside the West Texas town of Marfa, have mystified people for generations. According to eyewitnesses, the Marfa Lights appear ...

As they followed the glimmer into the wetland, the light would ... flammable gas. Robert H. Barth “To settle the argument, they decided to take a pontoon out on the swamp-like Millstone River ...

DEXTER, MI – Some said it was strange lights outside their Hillsdale College ... to infamously call these sightings “swamp gas,” the methane released from marshy land in the areas.

Hundreds of people claimed they saw strange aircraft and lights in the sky. The government blamed it all on swamp gas. But to this day, it's still a mystery. In March 1966, the eyes of the nation ...