Into the Night
Contributor
Science is a set of falsifiable theories.I guess it depends on what people consider to be science.
Science is not religion.The study of near-death-experiences is scientific.
Science is not a seance nor a religion.So are past & between life regressions, and even channelings.
Science is not evidence.There is a lot of information in all of the research surrounding these things that addresses all of the questions in the OP. I wouldn't say it's all final & solved, but there is strong evidence for each (imo).