World Science Festival co-founder Brian Greene and seven-time Emmy Award–winner Alan Alda muse on Einstein’s Theory of Relativity in a post-performance discussion after a reading of Alda’s play “Dear Albert.”

Join us for #YourDailyEquation with Brian Greene. Every Mon – Fri at 3pm EDT, Brian Greene will offer brief and breezy discussions of pivotal equations. Even if your math is a …

Does your dog really think and feel like a human? Do our closest primate relatives have brains and emotions similar to ours? What about the storied intelligence of dolphins and singing humpback whales? And do other species hold surprises for us if we’re willing to look closely?

For all that Darwin contributed to our understanding of the biological world, he was haunted by one vexing question: How does the incremental process of evolution suddenly produce, say, humans—animals who walk upright, communicate through language, and possess the brainpower to travel to the moon?

While artificial intelligence lacks empathy, reason, and even basic common sense, we already rely on it to make major decisions that affect human lives. Who gets hired? Who gets fired? …

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.