Ghosts really freak me out!  Do you believe in ghosts?
Why not? Ghosts are known as an apparition, phantom, shade, specter, spirit. They are thought to be the soul of a dead person or animal.
Have people throughout history always wonder if ghosts were real?
I am sure they have considered it. The attempt to contact the spirit of a deceased person is known as necromancy.
Necromancy is a creepy sounding word!  Is there any evidence to the validity of ghosts or spirits?
Depends who you ask. Necromancy is the practice of magic to communicate with the deceased, either by summoning their spirit or raising them bodily.
That sounds like voodoo!  Are there many haunted places around the world?
believed to haunt particular locations, objects, or people they were associated with in life. According to a 2009 study by the Pew Research Center, 18% of Americans say they have seen a ghost.
The overwhelming consensus of science is that ghosts do not exist. Their existence is impossible to falsify, and ghost hunting has been classified as pseudoscience. Despite centuries of investigation, there is no scientific evidence that any location is inhabited by spirits of the dead. Research has indicated that ghost sightings may be related to degenerative
Ghost
In folklore, a ghost (sometimes known as an apparition, haunt, phantom, poltergeist, shade, specter or spectre, spirit, spook, and wraith) is the soul or spirit of a dead person or animal that can appear to the living. In ghostlore, descriptions of ghosts vary widely from an invisible presence to translucent or barely visible wispy shapes, to realistic, lifelike forms. The deliberate attempt to contact the spirit of a deceased person is known as necromancy, or in spiritism as a "séance