In Brief Physicist Gregory Matloff has published a paper that argues that the entire universe may be capable of consciousness. This concept, called "panpsychism," is speculative, but there are many who wish to perform further research on it.
Yeah, I know, another link from that site.
It's definitely a very interesting philosophical idea, though I'm not very convinced by its scientific validity. It could be the backbone for a new religion, or even an entire family of faiths. Yay, more stuff to dump into my universes.