Cosmology is a branch of astronomy that studies the properties and evolution of the universe as a whole. The book is devoted to humanity's ideas about the structure of the world, which have undergone colossal changes from antiquity to the present day thanks to fundamental discoveries in physics and astronomy. The main theories of modern cosmology are presented in a popular form, the latest models of the universe are presented. Previously, the book was published under the title "Space and Chaos." This edition has made minor changes and includes illustrative material.