Over 257 million Americans believe that aliens exist.
78 per cent of Americans thinks aliens are real
78 per cent of the United States population are certain that extraterrestrials are real but half think they are friendly and pose no danger to the human race.
The new survey, conducted by MyVision, has revealed that one in three are convinced that aliens have abducted human beings and 37 per cent think that US scientists have held "secret talks" with the little green men.
One in six fear that aliens will end up invading Earth as NASA launches the most determined alien hunt in history.
A web user wrote: "Disclosure is finally starting to happen. The CIA, through Hollywood, has done their best to scare the c*** out of folks.
"All the movies except 'ET' make them out as monsters here to eat us or some such. But it appears they have always been here. Before Man even. So, conquest is not their intent. Exciting times ahead."