Everything does die, but it's a part of life, that we all must cope with in our own ways. Therefore I say live it up now, just in case it does happen in the next 5 years or 50 years.
I saw this thing on the history channel discussing a theory for not the end of the world, but the entire universe. It was interesting. I can't remember most of it but the basic idea i think was that the universe expands past its limits and starts ripping itself apart, basically dispersing all of the molecules in the universe. The call it the "Big Rip". Intense.
I finially finished reading the book Apocalypse 2012: A scientific investigation into civillizations end By: Lawrence E. Joseph today, which lead me on the internet looking for this russian guy who wrote a thesis on intestellar toxic clouds that are not only effecting Earth, but the Sun and the entire Solar System.
This is a link to some high tech writtings I found
Fucking freaky, I wonder if this is true, and if the government ever planned on letting us in on this information?