Why do people see ghosts?

For Halloween, we explore ghost sightings - how to explain them, what research says and if there's an ethical imperative to acknowledge them.

Why Some People See, Hear, Or Feel “Ghosts” · Frontiers for Young Minds

Do loved ones bid farewell from beyond the grave?

Are Ghosts Real? The Science and Psychology of Ghosts

How the god you worship influences the ghosts you see

Do Blind People See Ghosts? - All About Vision

Teen snaps selfie with a photobombing ghost in Georgia - ABC7 Chicago

Here's why so many people still believe in ghosts

Can Dogs See Ghosts?

Can Dogs See Ghosts? – American Kennel Club

The science behind seeing ghosts - BBC Three

Types Of Ghosts and Spirits

I see dead people': why so many of us believe in ghosts

This Revealing Science Explains Why People See Ghosts