Geology no longer is the study of the Earth. Rocks are found throughout the universe on other planets, asteroids and comets and as debris ranging in size down to the tiniest pieces of stardust.

In the June London Lecture Matt Genge, a planetary scientist and geologist from Imperial College London, discussed the geology of space, recorded in meteorites and cosmic dust, showing that the principles of geology still hold true far beyond the bounds of our home world.