A video has surfaced on YouTube which appears to show a craft darting over the potentially catastrophic Yellowstone volcano.
The strange craft appears to be metallic and shiny, and darts across the left of the screen.
The video was taken on June 9, but only recently uploaded to YouTube with the caption “Impressive UFO near the Yellowstone Volcano”.
The Yellowstone National Park has long been a hotspot for alien enthusiasts, with sightings regularly reported there.
In late 2016, a sighting of a small drone-like object went viral when it was seen hovering above the supervolcano.
Jeanetta Foresta uploaded a video of the sighting under the heading “Things R flying all over – overnight”.
She posted: “There were more than four at the beginning and this is overnight so there is no sun to reflect off of a plane.”
Famed UFO blogger Scott C Waring picked up on the video on websiteufosightingsdaily.com.
He wrote: “Here we have several glowing orbs moving about over Yellowstone and this is the same area as Old Faithful, which could of course attract alien tourists as well as humans.
“Why wouldn’t aliens be interested in the Earths natural wonders?
“The movement is proof its not Venus or a hot air balloon. If you knew the truth about the abundance of alien ships, craft and species around us every day, it would blow your mind.”
Yellowstone has also piqued the interest of many around the globe over fears that it could soon erupt.
The Yellowstone Caldera supervolcano last erupted 70,000 years ago but a spike in seismic activity around the national park has unsettled nerves.
If the Wyoming volcano were to erupt it would kill an estimated 87,000 people immediately and make two-thirds of the USA immediately uninhabitable.
The large spew of ash into the atmosphere would block out sunlight and directly affect life beneath it creating a “nuclear winter”.
The massive eruption could be a staggering 6,000 times as powerful as the one from Washington’s Mount St Helens in 1980 which killed 57 people and deposited ash in 11 different states and five Canadian provinces.
If the volcano explodes, a climate shift would ensue as the volcano would spew massive amounts of sulphur dioxide into the atmosphere, which can form a sulphur aerosol that reflects and absorbs sunlight.