Nothing on Earth is eternal. Most people realize that sooner or later, humanity, like the rest of the living organisms on our planet, may disappear. At the same time, various theories exist regarding the possible reasons for the extinction of all life. During preparing this material, the following sources were used: Astronomy, BBC, NASA, Nature, Live Science. Asteroid According to some scientists, an asteroid could be capable of destroying all life on planet Earth. According to NASA data, our planet is struck by a large asteroid approximately every 100 million years, while collisions with smal…