For years, the possibility of alien life was a science fiction idea, a potential hoax, or a government cover-up inside of Area 51. Then, in 2020, it happened. The Department of Defense released footage of "unidentified aerial phenomena." Other life is out there, and science is leading the way to prove it. The next generation of STEM is here. Includes 21st Century Skills and Content, sidebars, activity, table of contents, index, and glossary.