Nuclear weapons

It is difficult to disentangle Russian and Chinese scientists from international science cooperation. That is a good thing

The outcome of the 2024 U.S. presidential election could reshape policies from health care at home to nuclear proliferation abroad

A new United Nations expert study of the effects of nuclear war would spur informed and inclusive global debate on what nuclear war means for people and the planet today

Whoever wins the 2024 presidential election will face heightened nuclear geopolitics, deadlines on nuclear deals with Russia and Iran and decisions on a $2-trillion weapons-modernization effort

A nuclear explosion in space would cause stunning auroras—and wreak havoc on satellites and space stations.

Is baby Skynet already here? We need robust laws now to withstand eliminating humans from nuclear decision-making

Russia may be planning to put a nuclear weapon in orbit. We have known since the 1960s why that is a bad idea

Costs are skyrocketing to modernize the U.S. nuclear arsenal. Instead of turning a blind eye, Congress should demand fiscal oversight and make hard decisions balancing costs with deterrence

Melba Phillips co-authored a paper with J. Robert Oppenheimer in 1935 that proved important in the development of nuclear physics. Later she became an outspoken critic of nuclear weapons

The Biden administration’s intention to use dozens of bombs’ worth of highly enriched uranium as fuel in a new civilian reactor sets a dangerous precedent, one that could help our foes get nuclear weapons

Minuscule amounts of uranium detected in the shells of turtles point to a new way to track such materials’ impacts on people and ecosystems

Oppenheimer won’t bomb in the box office, but despite its director’s best efforts, the science in the film is a bit of a fizzle