Recent studies suggest that a third of people in the UK believe in guardian angels, and nearly three quarters of Americans believe in such celestial beings. So what is angel belief a belief in? In this Science Set Free podcast, Rupert Sheldrake and Mark Vernon explore the modern sense of angelic presences by setting it alongside insights from medieval and ancient accounts of angel domains, which were extensively developed in both Christian and Islamic spiritual traditions. They ask about the ways in which angels might inhabit the physical cosmos and whether angels can be linked to modern insights about the human mind. Angels turn out to be a fascinating subject for conversation. They inspire all sorts of questions from the nature of matter to the truth of intuition.