http://ufosightingshotspot.blogspot.ca/2014/02/curiosity-photo-shows-ufo-dome-fossils.html
Its always interesting to see these kinds of pictures.
http://www.ufosightingsdaily.com/2014/02/buildings-on-mercury-in-nasa-photos.html
Many people are encouraged to never seriously consider the possibility of intelligent life on other. Its much better for a controlled population to not even be that curious about life in other parts of the universe.