By Chris Richards, The Mirror
A UFO has been caught on camera - by a robot on MARS.
The bizarre celestial object, which looks like a spacecraft complete with vapour trail, was photographed by an unmanned Nasa rover at work on the surface of the Red Planet.
The weird shape can be seen in a video uploaded to YouTube by Ufologist Streetcap1 under the heading Mars ufo?
Some internet users offered potential explanations for the UFO.
Nix Nightbird commented: "It's something on the lens of the rover camera.
"Ice, dust, whatever."
Brad Parker said: "That's obviously just a weather balloon."
Meanwhile, Andrew Botha simply said: "Asteriod."
Source and special thanks: http://www.mirror.co.uk/news/weird-news/ufo-spotted-by-mars-robot-3092029#.UuqPq_ldWSo