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?

The history of computers is a history of competition and collaboration: Innovators have worked together, but also clashed over the place of computers in society and how they should function.

What’s the most complex structure in the known universe? Hint: You’re using it right now to answer to this question. While you keep brainstorming, let’s discuss your cerebral cortex. This …

#YourDailyEquation with Brian Greene offers brief and breezy discussions of the most pivotal equations of the ages. Even if your math is a bit rusty, these accessible and exciting stories …

What happened to all of the universe’s antimatter? Can a particle be its own anti-particle? And how do you build an experiment to find out? In this program, particle physicists …

As computers become progressively faster and more powerful, they’ve gained the impressive capacity to simulate increasingly realistic environments. Which raises a question familiar to aficionados of The Matrix—might life and the world as we know it be a simulation on a super advanced computer?