Time and Space Mind

The war between humans and Gaia's mechanical civilization lasted for 150 years. When mankind is about to perish, Zhou Chengxu, CEO of the Super Energy Research Institute. Bai Yuchen, a superpower with the "Heart of Time and Space", was sent back to Earth in 2012 by mistake. What exactly exists outside the earth? Is there other life outside the solar system? In what form do they survive? There are 8.8 Billion habitable planets in the Milky Way alone, but what about outside the Milky Way? This is a different universe with all kinds of intelligent life forms.