Iran’s supreme leader was killed in an Israeli airstrike. It’s not clear what will happen next. Here’s the latest.

Blizzards are a real-life example of what game theorists call the “snowdrift problem,” a cousin of the prisoner’s dilemma ...

Since ancient Greece, researchers have tried to isolate special rational points on curves. Now they have the first ever formula that applies uniformly to all curves ...

When your AI assistant calculates revenue, bonuses, VAT or financial summaries, it isn’t doing math. It’s telling a convincing story about numbers.