With record numbers of unexplained objects being spotted in the skies over Britain on Saturday night, a huge majority of us reckon alien life exists somewhere in the universe, even if it has yet to touch down on Earth.
Crop circles are commonly cited as evidence of alien visits.
But the discovery of life-supporting water in the form of ice on Mars is regarded as an even bigger sign alien life exists.
Nine per cent of those polled are convinced they have seen a UFO and a further 43 per cent believe they exist compared to only 36 per cent who insist they do not.
Men and women are equally likely to believe, as are people living in different parts of the country.
An overwhelming 79 per cent reckon life probably exists elsewhere in the universe.
Around 68 per cent think it will be found in our own galaxy, the Milky Way.
People are fairly evenly divided over whether aliens have tried to communicate with us.
Up to 37 per cent think an alien has already visited Earth and about 13 per cent believe they already live among us.
Half the population believe the Government is withholding information on UFOs and more than half think US authorities are doing the same. As many as 45 per cent reckon there is physical evidence of alien life, with many citing crop circles, the Pyramids or Stonehenge as proof of extra-terrestrial contact.
