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.

The World Science Festival’s Pioneers in Science program gives high school students from around the globe rare and intimate access to some of the world’s most renowned scientists in a …

The powerful James Webb Space Telescope–the successor to the Hubble Space Telescope–promises insight into profound questions that have dogged philosophers and astronomers for millennia. What is the origin of the …

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 we try to get rid of a bad habit, whether it involves food or drugs or gambling, it often seems like we’re fighting ourselves inside. The reality’s not far off: Addiction twists the reward pathways of the brain to keep addicts tied to whatever gets them high.

Should we limit the use and knowledge of genetics in the case of conception? What about using genetic engineering to make humans healthier—or even enhancing humanity by manipulating DNA?