When Curiosity first touched down on Mars, Internet pranksters were quick to mock up photographs of alien life on the alien landscape.

But it seems Nasa has itself captured something very strange on camera, including a strange white light dancing across the horizon of the red planet, and four blobs hovering in the sky

While the images are certainly a curiosity, Nasa and photography experts insist that these are nothing more than blemishes on the images, picked up by the camera lens sitting on the rover at a distance of 350 million miles away.

So what are the Mars anomalies? Judge for yourself and view the videos below: