A picture of the crashed 'alien mothership' on Mars

A picture of the crashed 'alien mothership' on Mars (Image: Paranormal Crucible)

Conspiracy theorists believe they've found proof of a downed 'alien mothership' on the surface of Mars.
Some commentators have poured cold water on the theory, insisting it is only a piece of raised ground or a rock formation.

But the UFO hunters behind the channel are convinced of its authenticity.