What are meteorites? Where do they come from? Are they a threat? What are they made of? How common are they? As centuries have passed, our knowledge of these extraterrestrial objects has advanced immensely, and today, the scientific study of meteorites provides a wealth of information about the solar system. Meteorites reveal clues to some of the greatest scientific enigmas:

• the origin of life on Earth
• the mass extinction of species
• the nature and composition of asteroids
• the conditions during the formation of the solar system
• the dust from stars that died...