The United States decided to rule the world. We can also decide to step back.

The president says the generals hate him because he ends endless wars. That ain't it, chief.

The U.S. has historically chosen war to address all kinds of problems: terror, drugs, unfriendly countries. This time is different.

A radioactive mess near the Arctic Circle suggests our next superpower arms race will be even more foolish than the last one.

There's nothing progressive about distilling war's ravages down to a half-baked, Adam Smith–style exercise in taxpayer burden-sharing.

What do your smartphone and the world’s most advanced fighter jet have in common? The Trump administration can’t protect them from hackers.

The Pentagon is set to expand its role in immigration enforcement—and that violates an important civil rights law with an obscure Latin name.

Jair Bolsonaro won the presidency on a promise to bring back military rule.

Saudi Arabia's expulsion of the Canadian ambassador over a negligible conflict suggests an ulterior motive.

Silicon Valley’s emerging role in America’s forever war

A once-suppressed report on water contamination in military communities has led to little action, victims say. But there are rumblings in Congress.

A historian explains the risks of increased spending and why the benchmark—2 percent of GDP—is flawed.

A new, previously suppressed report has grave implications for service members, veterans, and their families.

Closed off from the world, North Korea weaves a highly militarized mind-set into the fabric of everyday life.

The active-duty national security adviser is covering for a scandalous presidency. Is he tarnishing his reputation, or is his reputation overrated?

To counter threats from China and Russia, the U.S. military is scrambling to weaponize space on a scale not seen since Ronald Reagan.

The president is becoming a typical right-wing Republican, thereby preserving a flawed status quo.