An international team of researchers has systematically measured the β-decay half-lives of 40 nuclei near calcium-54, ...

In the middle of the Pacific, a concrete dome the size of a football field holds the toxic legacy of Cold War nuclear testing ...

Oklo stock surged 8% on Friday and is now up 300% in the past 12 months as it inks big-ticket agreements with Meta and other ...

How some of the world’s most precise clocks missed a very small beat. By Mike Ives and Adeel Hassan Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected ...

The UK's Nuclear Decommissioning Authority announced it has succeeded in safely processing a can of plutonium residue into a stable waste form for the first time, marking a significant step toward ...

UCLA scientists have characterized the structure and function of a key survival protein in breast cancer cells that helps explain how these tumors resist environmental stress and thrive in acidic, low ...

Detailed replicas of the fictional Pip-Boy and T-51b Power Armor helmet greet me as I peruse the compact but densely arranged corridor just past the edge of the National Atomic Testing Museum’s gift ...

In a sprawling building atop a mesa in New Mexico, workers labor around the clock to fulfill a vital mission: producing America’s nuclear bomb cores. The effort is uniquely challenging. Technicians at ...

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work ...

What we know so far: The United States is opening part of its Cold War – era plutonium stockpile to help reduce reliance on Russian uranium and speed development of next-generation nuclear reactors.

President Trump’s proposal to repurpose the U.S. plutonium stockpile to fuel nuclear reactors resulted in a May 23, 2025, executive order directing the Department of Energy (DOE) to revisit disposal ...