“It looks like a spaceship or is it only mountain or something else?”
Martin Mikuaš, a self-proclaimed UFO expert spotted the unusual activity on the moon on Monday.
The eagled-eyed videographer noticed that the oddly shaped object appears to resemble the characteristics of a spaceship and posted the clip on YouTube.
Martin said: “Today I was filming [the] moon and this shape I found on the surface.
“It looks like a spaceship or is it only mountain or something else?
“I watched my old records and … a year ago when I was filming [the] moon this shape was not there.
“What is it that appeared on the Moon and how long is it there?”
Viewers agreed that the video sparks some worrying questions.
One suggested: “Aliens and their cruise destroyers ready to shut down EARTH.”
While another explained that she had also seen unusual activity.
“I need your camera so I can show you what I see…. On the moon and around and metallic spheres.”
More than 40,000 Americans have taken out insurance against being abducted by aliens.
Recently there has been a spike in reports of alien activity.
Just yesterday, viewers claimed to have spotted an extra-terrestrial on Google Maps.
And earlier this month a mysterious white UFO was allegedly spotted on NASA footage.