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?

What is time? Isaac Newton described it as absolute, but Einstein proved that time is relative, and, shockingly, that time and space are intricately interwoven. Now recent work in string theory and quantum gravity suggests that space and time may not be fundamental. If this is true, what new picture of reality will emerge?

This video is part of our Brilliant Breakthroughs series: our new 20-episode mini-series exploring the “Eureka!” moments and proud accomplishments of the greatest scientific minds of our time. Join us …

If you believe the world’s leading physicists, the vast majority of matter in the universe is hiding in plain sight. For nearly a century, evidence has mounted that the gravitational …

Brian Greene engages physicist and former LIGO spokesperson Gabriela González in a conversation about LIGO and Virgo’s new announcement of the most massive gravitational wave source to date and discusses …

Brian Greene and Nobel Laureate Brian Schmidt engage in a wide-ranging conversation covering cosmology, the accelerating universe, and the role of science in shaping our future. This program is part …