If you’re curious about whether the Large Hadron Collider has destroyed the world yet, just visit hasthelargehadroncolliderdestroyedtheworldyet.com.
If you’d just like to follow the progress as the LHC ramps up, you might get just a bit more information here, where they’re liveblogging the event.
Update: Apparently, hasthelargehadroncolliderdestroyedtheworldyet.com has a rival:
www.hasthelhcdestroyedtheearth.com
This site even comes with an ad budget:

(The ad is running now on the front page of ScienceBlogs.com)