Add Yahoo as a preferred source to see more of our stories on Google. Are ghosts real? It’s a question we’ve all asked ourselves. You’ve heard bump-in-the-night noises, smelled weird odors, and ...

Maybe it’s a flickering light. A sudden drop in temperature. A random waft of...wait, is that aftershave? Whatever it is, something seems to be off, but how do you know whether that unsettled feeling ...