In celebration of the 100th anniversary of Einstein’s general theory of relativity, we examine its essential insights, its lingering questions, the latest work it has sparked, and the allied fields of research that have resulted.

A second doesn’t always feel like a second—time can seem to slow down if you’re riding a death-defying roller coaster, or speed up while you’re having a night out on the town. But just what’s going on inside our heads to skew our perception of time?

By 2050, there will be nine billion people on the planet. CRISPR, the revolutionary gene editing technology, could help usher in the next Green Revolution, allowing us to feed our …

We live in the era Big Data. Its algorithms pervade our lives–shaping our purchases, our finances, our health care, our education, our communities, our public policy. Armed with phones, computers, …

When listing clean renewable energy sources, solar, wind, and geothermal come to mind. But thanks to new reactor technologies, there’s a transformation afoot.

Nobel Laureate Sir Paul Nurse joins Brian Greene for a conversation about the fundamental ideas in biology explored in his new book, What Is Life? Five Great Ideas in Biology. …