Christians usually only believe in God, angels, humans, and animals. That would mean intelligent UFO's might be angels or demons. While that's speculation, one guy did an interesting test of it.
Non-believers are much more vulnerable to demonic activity than believers. There's also a goal where distracting them from Christ is all they nerd to stay on the road to Hell. So, UFO sightings should be much higher in areas with non-believers than areas with Christians. He shared his data here:
Non-believers are much more vulnerable to demonic activity than believers. There's also a goal where distracting them from Christ is all they nerd to stay on the road to Hell. So, UFO sightings should be much higher in areas with non-believers than areas with Christians. He shared his data here:
https://web.archive.org/web/20220521004104/https://www.godan...
(Note: I haven't peer reviewed his methodology.)