A digital composite of a meteor shower speeding towards Earth. AdastraMeteorites – fragments of rock that have fallen to Earth from space in spectacularly fiery meteors – have been the subject of public fascination, awe, myths and even religious worship for thousands of years. In recent decades they’ve become a cosmic Rosetta Stone for scientists investigating the birth throes of our solar system and the organic life it hosts. Meteorites are therefore rightly classified by many countries as an i