After Death-What is the mystery?

Science is still not confirmed about what actually happens "After Death". Though religious beliefs explains about existence of soul which is scientifically not confirmed yet.
After many researches and  investigations,existence of soul has been proved in minor way. Some of the evidences like haunting and exorcisms have made some logical point about some connection about life after death. What might be the real mystery after death is still a mystery and some researches are still on the process.