There is no scientific proof of their existence yet. So, no until that changes.
Yes
yes,if it whants u to
yes but its random and its a genie not a ghost
Yes. It did. ~Ghost
Yes it does
yes
yes... well somtime's. they will come out when there is enough food
yes but they will trap you if you want to find a ghost go same place in the dark or on your house.
Technically yes and no a GHOST can't be captured but with the silph scope you can reveal the Pokemon's true identity which is gastly which is a ghost Pokemon so that makes sense.
Yes it did
Yes- it is going to be called "Ghost Rider: Spirits of Vengeance" and it is set to come out sometime in 2012.
Yes! Their slogan is " Where Dreams Come True"