Is Life After Death Possible

Is anything possible?

One often see the expression, “Anything is possible”, often in response to questions posed in TV court drama, but, considered seriously, Are some things possible and some not? And how can one usefully generate information about specific questions, such as Is time travel possible? Is life after death possible?

Not everything is possible.
E.g. One day man will walk on the sun, and not burn to death.