I'm in no rush to find out what happens, but its interesting to think about when you don't let your emotions drive your conclusions.
Look at how old the universe is, billions of years old. (Even if you only think it's 6,000 years old, that's still a long time). Why are we here at this specific time? How do we know we weren't somewhere else before, or something else before?
Relative to all existence, we are here but for a fraction of a fraction of a fraction of a moment. You can take that two ways. Life is either extremely short and final, or life just happens to be short now, but getting longer (exponentially I might add). It either happens once, or it is cyclic (like everything else in the universe appears to be).
Something to keep in mind. There is absolutely no proof that our consciousness is something unique. We for whatever reason, cannot grasp just what the concept is that gives us self-awareness, to put it another way, we are not self-aware of our self-awareness. It's like the concept of zero and infinity, it took a long time before human beings were even capable of accepting the very concept of nothingness and infinity. We still can't imagine zero, our logic is restricted to thinking that if the universe is in fact still expanding, that if we got to the edge of it, there still has to be at least some vacuum 50 feet beyond. If the big bang theory is correct, then that is reality, and we can't even process it with our brains.
Still, assuming infinite expansion, some combination of elements created our individual selves. If those elements continue to expand, and create new combinations, then it is more inevitable than not, that another sun identical to ours will be born again, a solar system identical to ours will develop around that sun, and another being identical to ourselves will walk a planet earth identical to ours.
So if you can find comfort in that, do so.
Oh and yeah, eventually (trillions and trillions of years into the future), the universe will burn up all of its hydrogen and star factories will cease, as will life. If there aren't any parallel universes, then that's what you really have to be worried about. Not this little bitch death on earth. =P