The universe is everything that in existence, from something as small as a quark to something as large as superclusters. There are numerous mysteries in the vast universe. Human exploration of the universe has lasted over thousands of years. More and more mysteries are solved, while still more questions are being raised.

Science magazine published 125 unsolved frontier issues. There are some topics that the public is very interested in, including: Is our universe the only universe? What is the nature of time? Are we alone in the universe? Let us go into The Mystery of the Universe exhibition hall together, and ponder the universe's deepest secrets.