Beginning in the late 19th century and continuing through the mid-20th century, communities across the country relied largely on women’s unpaid civic labor to create welcome, integration, and ...

Since the dawn of the nuclear age, policymakers and strategists have tried to prevent a country from deploying nuclear weapons by mistake. But the potential for accidents remains as high as it was ...

Artificial intelligence (AI) is entering a decisive phase—one defined less by speculative breakthroughs than by the hard realities of governance, adoption, and strategic competition. As AI systems ...

We tend to think of time as scarce, or unruly – either racing away from us or dragging by painfully slowly. As the years pass, it can feel like time is slipping by faster than ever. Thankfully, ...

Most messages are press releases about astronomical discoveries—okay, scratch that; most of them are spam, but science announcements are an easy second place. But I also get questions from readers ...