Pit

In the history of atomic research, few stories are as gripping or cautionary as that of the demon core, a plutonium sphere designed for one of history's most devastating weapons. This tale not only encapsulates the highest point of atomic ambition but also serves as a somber reminder of the human cost associated with such power.

The U.S. will spend more than $750 billion over the next decade to overhaul nearly every part of its nuclear defenses and replace systems that in some cases are more than 50 years old

Apparently the management at Los Alamos doesn't know what criticality safety is.

Aging weapons and domestic politics could lead to a return to explosive testing.

President Harry S. Truman knew that one bomb would not be enough to force Japan to surrender, so he ordered two. What many don't know is tha...

The U.S. agency that oversees development and maintenance of the nation's nuclear arsenal is moving ahead with plans to modernize production of key...

The ongoing war is edging Ukraine and the surrounding countries toward the brink of a catastrophic nuclear crisis.

We have learned to fear plutonium – one of the world's most useful materials. But as long as you don't eat it, you're probably safe.

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Dr. Jack ReVelle disarmed two hydrogen bombs that accidentally fell near Goldsboro during the Cold War. But a military career of cleaning up nuclear accidents may have cut his life short.

A replica of a nuclear bomb returned to Downtown Raleigh Sunday to commemorate the anniversary of the catastrophic 1961 B-52 nuclear bomber accident.

Recent advances in military technology may push us closer to the edge.

One of the year's most monumental scientific achievements is indebted to decades of research into weapons of mass destruction.

How the US came to have three major strategic nuclear platforms, and why it started calling them a "triad."

The U.S. military had 32 nuclear accidents during the Cold War, and several nuclear weapons remain unaccounted for.

In 1966, the US Strategic Air Command lost four nuclear weapons over Spain when a B-52 bomber collided with a tanker plane. The two recovered nuclear bomb casings from the Palomares incident, on di…

Russia controls around 44 percent of the world's uranium enrichment capacity—meaning America should shore up its own nuclear fuel supply.

Abe Streep on the push to reinvigorate nuclear-weapons production at Los Alamos, New Mexico, the birthplace of the atomic bomb and J. Robert Oppenheimer's Manhattan Project.

The United States is building the first new nuclear warhead in 40 years but will do so without nuclear testing, the Energy Department officials told Congress.

The risks of a $1.5-trillion plan to build up the U.S. nuclear arsenal