It’s fun to think about bizarre unsolved myseries and wonder what’s actually going on with the whole UFO thing, but we’ll always defer to Occam’s razor. A blur on a photograph is way more likely to be a weather balloon than a spaceship and a ghostly old woman wandering around an old church is far more likely to be a hallucination or, you know, an actual confused old woman.

read more The Creepy Scientific Explanation Behind Ghost Sightings | Cracked.com.