Alan Alda has issued this year’s challenge to the world’s top scientists: What is sound? In an action-packed hour of interactive demonstrations, Alan and a team of communication experts invite the audience to explore what we hear, how we hear, and what that means for different species.

Great minds inspire greatness in others, which is why the Pioneers in Science program gives high school students from around the globe rare access to some of the world’s most …

There is a revolution underway in the world of medicine. As researchers identify the genetic variants responsible for cancer, schizophrenia and diabetes, and doctors tailor medications and diagnostic tests specifically for your genomic makeup, we inch closer to personalized medicine.

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?

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 …

A universe that continually expands has long been the dominant cosmological framework. But a universe that undergoes cycles of expansion and contraction, perhaps for all time, has recently been analyzed …