Forget what you think you know about dark matter. After a 30-year search for a single, as yet unidentified, species of dark matter particle that would make up some 25% of the mass of the universe, physicists are starting to consider novel explanations.

Scientist and author Julian Barbour joins Brian Greene to explain his heterodox views on the nature of time, entropy, and cosmic origins. This program is part of the Big Ideas …

God, they say, is in the details. But could God also be in our frontal lobes? Every culture from the dawn of humankind has imagined planes of existence beyond the …

World renowned neurophysiologist and computational neuroscientist Christof Koch joins Brian Greene to discuss how decades of experimental and theoretical investigation have shaped his understanding of consciousness and the brain — …

Time allows us to live in the moment, reflect on the past, plan for the future. It’s our most familiar, precious, yet mysterious commodity.

When no one is looking, a particle has near limitless potential: it can be nearly anywhere. But measure it, and the particle snaps to one position. How do subatomic objects shed their quantum weirdness?