For all we understand about the universe, 96% of what’s out there still has scientists in the dark. Astronomical observations have established that familiar matter—atoms—accounts for only 4% of the weight of the cosmos. The rest—dark matter and dark energy—is invisible to our telescopes.

Physicist and mathematician Brian Greene and journalist Faith Salie explore the past and future of the cosmos – from the big bang to the closest science can take us to the very end – …

A self-driving car has a split second to decide whether to turn into oncoming traffic or hit a child who has lost control of her bicycle. An autonomous drone needs to decide whether to risk the lives of busload of civilians or lose a long-sought terrorist. How does a machine make an ethical decision?

A NASA scientist prints 3D homes on Mars. An anthropologist solves mummy mysteries. An engineer tests new toys every day. What do these people have in common? A science job! Meet them all (and more) during this interactive event that gives everyone the chance to try each cool job for themselves.

Renowned cosmologist David Spergel joins Brian Greene to discuss the triumphs and tensions of precision cosmology, exploring remarkable successes as well as persistent discrepancies bedeviling current understanding. This program is …

Neil Turok joins Brian Greene to describe his new ideas for curing the big bang singularity and providing a natural dark matter candidate, all while avoiding the conventional paradigm of …