Harry S. Truman

J. Robert Oppenheimer and the Manhattan Project scientists are a rare example of weapons designers who have gone down in history.

On this date 78 years ago, the first atomic bomb fell on Hiroshima. Survivors involuntarily provided key medical data for years, without receiving any help.

The so-called "father of the bomb" helped bring us prematurely into the age of existential risk.

It turns out there was an "unlikely" chance the first atomic bomb could have ignited the atmosphere — which didn’t stop the Manhattan Project.

Civil rights activists failed to expel an all-white, segregationist delegation. But their efforts foreshadowed later milestones in the fight for equality

The "father of the atomic bomb" has long been misunderstood. Will the new film finally get J. Robert Oppenheimer right?

Before Christopher Nolan’s "Oppenheimer," the world nearly got Ayn Rand’s "Tribute to Free Enterprise."

The government responded with ruthless persecution — just one egregious example in the NSA’s long, sordid history of fiercely guarding its secrecy.

Two differing explorations of post-WWII culture, politics, and ideals.

A never-before-published tranche of letters reveals the white-collar racism that prevented the world’s most popular athlete from selling Fords.

How the NAACP made the police riot in Columbia, Tennessee national news.

Dwight D. Eisenhower and John F. Kennedy publicly apologized after restaurants refused to serve Black representatives of newly independent nations.

Today, the military is perhaps the largest integrated institution in the US. But how it came to be this way reveals a history of racism and resistance.

In 1947, the United States sacrificed for the sake of a starving Europe.

Always a dealmaker, then-senator LBJ negotiated with segregationists to pass a bill that cautiously advanced racial equality.

Lessons from the start of the Cold War.

The history of segregation in the Navy — and its abolition — show how to combat institutionalized bigotry.

Masks and social distancing are largely gone, but just as consequentially, a less visible pandemic intervention is ending: universally free school meals.

Decades of biological research haven't improved diagnosis or treatment. We should look to society, not to the brain.

Why our nuclear fears faded – and why that’s dangerous.