About the book: 1988 / How did life originate on Earth? Does it exist on other planets in the solar system or anywhere else in the universe? The book of the famous American scientist Norman Horowitz, a prominent exobiologist, one of the scientific leaders of the Viking program, the goal of which was to search for traces of life on Mars, is dedicated to these questions that have long worried people. It is addressed to readers interested in the achievements of modern science and who want to better understand the world around us.