Why do scientists believe in a substance that they can’t see and has never been directly detected? And why do they think there’s six times as much of it in the universe than normal, visible matter?

Join Jocelyn Monroe, a leading experimental particle physicist, and a panel of New Scientist journalists for a deep dive into dark matter. You’ll discover why our current model of the universe needs this mysterious substance to stop galaxies tearing themselves apart. You’ll also learn how physicists around the world are striving to detect dark matter directly, including at a laboratory 2 kilometres …