I was at home in the kitchen about to grab a bowl of ice cream, and I went to the sink with the ice cream for no reason, I never did that before, and I looked out the window into my backyard. It was around 8:00PM and it was quite dark. There were no clouds in the sky. Being an astronomy fanatic I love looking at the stars and pointing out constallations, bur what I saw that night wasn't normal. At first I saw a blue-white light the size of a star, but then it got brighter and started moving eratically. Up down back forward diagonal. It got brighter until it came to be so close to my house that I could see the shape of the UFO quite clearly. It was dark grey and black,and had 3 lights. It was triangular in shape and the lights were on each point. After swooping close to my house it turned back to the sky and became bright as a star again, and still moving frantically until it moved farther and farther away and I couldn't see it anymore. I stood there in awe not believing what i had just witnessed. As soon as I snapped back to reality I called one of my friends and told her the story.