How fast is the universe expanding? Two prominent approaches are finding different answers, propelling cosmology toward a crisis. Wendy Freedman, a renowned astronomer who has spent decades seeking the expansion …

Join Brian Greene and a team of researchers testing Google’s quantum computer to glean new insights about quantum gravity from their impressive – if controversial – results. This program is …

With ever more refined techniques for measuring complex brain activity, scientists are challenging the understanding of thought, memory and emotion–what we have traditionally called “the self.”

Acknowledging the scientists who blazed intellectual trails before him, Isaac Newton wrote, “If I have seen a little further it was by standing on the shoulders of giants.” In this special annual series, we invite our audience to stand on the shoulders of a modern-day giant. This year, we are honored to present an address by a titan of physics, Barry Barish.

Are current AIs merely regurgitation algorithms producing derivative output or can they yield novelty? Actor, filmmaker, and outspoken AI critic Justin Bateman and creative technologist Heidi Boisvert join Brian Greene …

At present, our brains are mostly dependent on all the stuff below the neck to turn thought into action. But advances in neuroscience are making it easier than ever to hook machines up to minds.