Secret US government technology
Foreign government spy technology
Technology built by extraterrestrials
Natural objects like birds, clouds, or other planets
Weather balloons, rocket launches, or other "innocent" explanations
Someone "spoofing" the pilots (intentionally messing with their tracking systems)
Nothing, errors on the part of radar and other tracking and detection technologies
Other
Don't know
Don't care
Secret US government technology
Foreign government spy technology
Technology built by extraterrestrials
Natural objects like birds, clouds, or other planets
Weather balloons, rocket launches, or other "innocent" explanations
Someone 'spoofing' the pilots (intentionally messing with their tracking systems)
Nothing, errors on the part of radar and other tracking and detection technologies
Other
Don't know
Don't care
None of these
Don't know
Don't care
"Faith No More", March 2019
66% believe in extraterrestrials, half of whom say they've made contact with Earth
(39% believe in ghosts, 28% in reincarnation)
"Game SETI Match", August 2016
42% hope there is intelligence elsewhere than Earth, 7% hope there is no intelligence anywhere but Earth
14% say if there are extraterrestrials, they are likely friend, 8% say foe, 52% say neither (meaning a concept with which humans are unfamiliar)
32% say if an alien intelligence beckoned they would go with it, 44% say they would not
"Man in the Moon", July 2014
The most common reason chosen for why we haven't seen evidence of extraterrestrial life yet, should it exist, is the government is hiding it
"Time and Space", June 2014
12% say they've seen a UFO, 87% say they have not