Scientists can now describe the unfolding cosmos with unprecedented precision, yet major mysteries remain, including the nature of expanding space, the need for dark matter and dark energy, and the possibility that our universe is but one of many separate realities. Join a conversation with leading researchers who will take us right to the edge–and just beyond–what we know about the deepest mysteries of the cosmos.

This program is part of the Big Ideas series, supported by the John Templeton Foundation.