Are humans the only intelligent life in the universe? Does other life exist on another planet or in another galaxy? The search for extraterrestrial intelligence has spanned centuries and involved many different scientists. So far, scientists do not have any definitive proof that extraterrestrial life exists; however, advancing technologies are allowing scientists to see farther into space and explore new parts of the universe never seen before. In this topic, you will explore the history of the search for extraterrestrial intelligence and the future of this investigation.

Essential Questions

• What is SETI?
• Who are some of the scientists involved in SETI?