Traveling universe ? Traveling outside the universe seems like scientific movies ..... but what if we made a thing by which we can travel the universe ..... The technology required to travel between galaxies is far beyond humanity's present capabilities, and currently only the subject of speculation, hypothesis, and science fiction. However, theoretically speaking, there is nothing to conclusively indicate that intergalactic travel is impossible. if we go outside the universe , we are moving mass there, so the universe will expand, it means, we will never be outside the bubble. By other side, if we are able to go outside the bubble without expanding it, our mass cease to exist, so we instantly disappear. What is beyond the universe ? Astronomers think space outside of the observable universe ...