The book by the famous American writer examines a wide range of phenomena that have not received their explanation within the framework of modern science. The author has identified more than 20 such mysteries, including: does the history of the Big Bang provide a comprehensive explanation of the process of the emergence of the Universe; life arose on Earth or was brought from space; what is the nature of gravity; whether we will ever be able to predict earthquakes and volcanic eruptions; what is the age of the universe; whether there are multiple worlds; what is the future of the Universe; weren't dinosaurs warm-blooded animals? how birds navigate during their long-distance migrations; where did the Mayan Indians get their knowledge of astronomy? For a wide range of readers.