Exploring Signs of Extraterrestrial Life

This chapter investigates the fascinating topic of atmospheric characterization and its role in identifying potential signs of life on other planets. It highlights biosignatures and technosignatures as critical markers for biological and intelligent activity, discussing advancements in observational technology and the evolving scientific discourse on extraterrestrial life. The chapter culminates in a reflection on how the discovery of alien life could reshape our understanding of existence and evolution in the universe.