The multiverse hypothesis, suggesting that our universe is but one of perhaps infinitely many, speaks to the very nature of reality. Join physicist Brian Greene, cosmologists Alan Guth and Andrei Linde, and philosopher Nick Bostrom as they discuss and debate this controversial implication of forefront research.

Computer scientist Jasmine Lawrence’s Cool Job is solving problems: She connects families thousands of miles apart through new Facebook technology, runs a blood donation network, and started her own personal …

Marcia Bartusiak joins Kip Thorne, Laura Danly and Rainer Weiss to demonstrate how two observatories on opposite sides of the country, called LIGO (Laser Interferometer Gravitational-wave Observatory), may open a new window on observing the cosmos—one based not in light but in gravity.

“Because it’s there” was George Mallory’s famous explanation for why he risked (and lost) his life trying to become the first person to summit Everest. We don’t all want to …

Renowned computer scientist and virtual reality pioneer Jaron Lanier joins Brian Greene to explore revolutionary proposals for understanding, leveraging, and safeguarding AI. This program is part of the Big Ideas …

Is creative expression the exclusive domain of the human mind, or can artificial intelligence reach — or assist humans in reaching — the enigmatic brilliance of artistic genius? Renowned multimedia …