A little over a month after former President Barack Obama re-opened the door to discussions about extraterrestrial life, a new study shows how frequently people think they could have spotted aliens.

But do alien abductions? Extraterrestrials kidnapping humans, taking them to their space ships, performing experiments on them, cutting them open, raping them, forcing women to bear hybrid babies?

Here’s how a report on alien abductions in the United States begins: “Most alien abduction stories begin quietly — a strange light, a missing moment, something that feels off.” Sounds like something ...