Alien life is a topic that has fascinated scientists, researchers, and the general public for decades. The possibility of extraterrestrial life existing elsewhere in the universe is a tantalizing prospect, and one that has inspired countless books, movies, and TV shows. Scientists have been searching for signs of alien life for years, using a variety of methods including radio telescopes, space probes, and rovers. They have focused their search on planets that are located in the "habitable zone"

Alien Ecosystem: How Extraterrestrial Microbes Could Reshape Life on Earth