This book is dedicated to young people, students and schoolchildren who are interested in modern research in the field of astronomy and astronautics. Many discoveries in these areas occurred at the beginning of the 21st century. Over time, technology for studying celestial bodies inevitably improves. Outer space appears to scientists in ever greater detail. Man travels to near-Earth orbits, plans to travel to Mars and explore the Moon as a base for further exploration of outer space. This small book presents all the most interesting and recent materials related to such research.