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

The U.S. ignored Oppenheimer’s warnings about nuclear weapons and rushed to build and deploy a dangerous technology. We must not make the same mistake with AI

A new report says flooding and heat waves exacerbated by climate change could complicate U.S. nuclear launches

Artificial intelligence algorithms will soon reach a point of rapid self-improvement that threatens our ability to control them and poses great potential risk to humanity

Facing Russia’s nuclear threats, the U.S. and its G7 allies must not whitewash their own

New “exascale” supercomputers will bring breakthroughs in science. But the technology also exists to study nuclear weapons

A moral movement called longtermism, which focuses on protecting humanity’s future, dwells too much on artificial intelligence and not enough on war

A top U.S. commander wants to test technology that can better defend domestic targets

Congress needs to fund independent research on radioactive contamination and how to clean it up

Nuclear states admit to owning about 13,000 warheads, but the real number could be higher

Russia’s invasion of Ukraine shows the limits of nuclear deterrence