Other bizarre "discoveries" on the Red Planet which have been compiled into a video, include alien corpses, a tank, a cannon, an alien skull, and even a giant worm.

Various websites and YouTube channels have been posting details of the curious finds in images beamed back to earth by NASA rovers exploring the Martian surface for as long as they have been there.

They claim the objects identified provide compelling evidence that Mars has or once housed multiple lifetimes, including intelligent humanoid species.

Now many of the so-called discoveries have been analysed by a UFO hoax buster, who has reached some pretty conclusive findings of his own.