New research shows that birds investing more energy in reproduction age faster and live shorter lives than those investing less.

The political scientist Graham Allison famously warned that the two countries could fall into what he called “the Thucydides trap,” based on the idea that war is likely when a rising state threatens ...

Senior writer John Oehser answers your questions.

Military strategists use game theory to evaluate possible strategies—but there are limits to what this approach to ...

Women hold most service‑sector jobs, and new tariff models show those roles face the steepest risks. Here’s how trade shocks ...

Ceasefires have a history of being frequently and cannily flouted without regressing fully to all-out war. The agreement to ...

I have spent years on the ground across the corridors that shape global power — Africa, the Middle East, and Asia — working ...

But what hasn’t been told is Trump’s rise and resurgence in the context of what was happening with all these other leaders. I ...

As you may know, April 15 was Tax Day here in the U.S. If you’re a regular American, you make money through wages, and it’s ...

Behind the acid blood and jump scares of the Alien franchise is an even more insidious horror: a single employer with ...

“Heretics always remain tied to the church. To break out, what you do is nail your theses on the door, turn around and ...