A blogger claims to have spotted a lizard in a photograph of Mars.
While studying a picture of the Red Planet taken by the Curiosity rover, an alien-hunter in Japan found something unusual between the rocks.
And while it might look like just another rock at first, squint your eyes and something very different seems to emerge - the shape of a lizard.
Or, if you have a good imagination, an actual one.
The picture (which is at least based on a real Nasa image) was first brought to conspiracy theorists' attention in March, but after it was recently published on a popular English-language blog its fame has exploded.
Needless to say, it is essentially impossible that any lifeform of that size (especially one that looks so similar to lizards on Earth) could survive on the freezing, toxic surface of Mars. Nasa's spacecraft on the planet have recently found conditions that suggest ancient microbial life was once possible - but that's not quite the same thing, unfortunately.
Undeterred, UFO Sightings speculates that Nasa might be involved right from the start:
"With water existing on Mars in small amounts, its possible to find such desert animals wandering around...although very rare mind you. Then again, is Nasa placing animals from tiny cyogenic chambers inside the rover onto the surface of Mars to conduct tests?"
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