I agree with JepMan, there is most of the time just somthing highly strange about being in the dark alone. I can't stand it sometimes. Even the quick walk upstairs at 3 in the morning after using the computer can leave me feeling strange. I don't know why really. I see no reason to be scared right now, and even when I am scared I don't know why. I could care less if I am with someone. I just always get the feeling that I am being followed, and occasionally since its dark my eyes play tricks on me and things look like they move and whatever else.
JepMan, you are alot braver than me, I'd never go out in the woods at night alone without a light.... Unless I really have to go to the bathroom while camping. Then those fears go out the window
Also star gazing is spooky. Even with people. But somthing just makes me do it whenever its night time and I'm outside. I don't know why.
I hate taking the dog out at night because she insists on walking really far from our house to do her business

Then I mix the dark night with looking at the stars and contemplating the vastness of space, and man thats a bad combination.