A YOUTUBE channel that claims to post UFO sightings has been blasted as a fake... by another online publisher devoted to extra-terrestrial mysteries.

SecureTeam10 has published videos claiming to show aliens zooming past the International Space Station, a fortress on the moon and black cubes sucking energy from the sun in the past year alone.

3 This image is taken from a video about a cube draining energy from the Sun

3 SecureTeam10 spotted this 'pyramid' in the wastes of Antarctica Credit: Google Earth

Click here to read SecureTeam10's BRUTAL response to the fakery claims

These have been picked up by news outlets across the world and are so popular they earn the operator of the YouTube channel up to £600 a day, according to figures from the website SocialBlade.

But now a representative from rival Lion's Ground has presented The Sun Online with a dossier of evidence which suggests SecureTeam10's videos are not the unquestionable evidence of extraterrestrial visitations some people would like them to be - and are damaging "real" UFO research.

Heathcliff, owner of the production company Lion's Ground

Lion's Ground has produced a series of videos calling these claims into question and suggesting they damage "real" UFO research.

Heathcliff, owner of Lion's Ground, said: "He outsmarted the UFO believers and today he drives a fancy car thinking: thank you donkeys."

He said that one recent sighting of a "flying saucer" in Antarctica was actually a pond.

3 Does this image show a body of water or a flying saucer?

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"This is nothing more than a collection of frozen water," Heathcliff said. "The only thing he has proven is a lack of research."

The researcher also threw doubt on the claims contained in a video about a "mind-bending gateway into your brain".

"He insulted years of study into secret societies and spirituality in ten minutes," Heathcliff said.