UFO hunters claim to have found clear evidence of a UFO flying above the Martian surface.
The image, taken by the NASA Mars rover Curiosity earlier this month, appears to show an object in the sky just above the horizon.
The shape is indistinct, but appears to have an elongated shape with a bright central bulge:
It's certainly compelling enough to be dismissed as a digital artifact. To read more and view the photo, click here.