Home > Space > What Is The Universe Expanding Into? What Is The Universe Expanding Into? Space Share on Pinterest We often hear that our universe is expanding and the galaxies are moving further away from one another. But if the universe is expanding, then what is it expanding into? Share on Pinterest Related Posts Solar System 101 | National Geographic A Tour Of The International Space Station How Big Is The Universe? Why Does Venus Spin Backwards? Top 10 Strangest Things in Our Solar System