North Korea

Why North Korea may use nuclear weapons first, and why current US policy toward Pyongyang is unsustainable

By Robert E. Kelly | Nuclear Risk, Nuclear Weapons

Biden’s horse-trading on nuclear technology and fuels is an unprecedented proliferation risk

By Alan J. Kuperman | Nuclear Energy, Nuclear Weapons

Bigger isn’t always better: Why the US fails to deter North Korea, despite nuclear superiority

By Lauren Sukin | Nuclear Weapons

Watching Ukraine, South Korea and Japan eye nuclear weapons. Here’s what the US should do.

By Sayuri Romei | Nuclear Weapons

Donald Trump and Kim Jong-un shake hands

The US must trade muscles for diplomacy to end the North Korean nuclear crisis

By Colleen Moore | Nuclear Weapons, Opinion

Some countries plan to decentralize control of nuclear weapons in a crisis. Here’s why that’s dangerous.

By Giles David Arceneaux | Nuclear Weapons

Victor Gilinsky offers a less optimistic view of North Korea’s negotiating tactics and nuclear program

By Victor Gilinsky | Nuclear Energy, Nuclear Weapons

Siegfried Hecker, a Senior Fellow at Los Alamos National Laboratory in New Mexico, testifies before the Senate Foreign Relations Committee 21 January, 2004 on Capitol Hill in Washington, DC. Hecker, who was a member of an unofficial US delegation that visited the controversial Yongbyon research complex this month, told lawmakers that North Korea can accumulate six Kilograms (13.2 pounds) a year of plutonium that could be used to make a nuclear weapon. "The five megawatt reactor has been re-started, it appears to be operating smoothly, providing heat and electricity, also accumulating approximately six kilograms (13.2 pounds) of plutonium per year in its spent fuel rods." Photo credit: Stephen Jaffe/AFP via Getty Images

An excerpt from “Hinge Points: An Inside Look at North Korea’s Nuclear Program”

By Siegfried S. Hecker, Elliot Serbin | Nuclear Energy, Nuclear Weapons

Donald Trump and Kim Jong Un shake hands

Interview: Siegfried Hecker on two decades of missed chances to deal with North Korea’s nuclear program

By John Mecklin | Nuclear Energy, Nuclear Weapons

The US has a new nuclear proliferation problem: South Korea

By Lauren Sukin | Nuclear Weapons

Why US policy on North Korea should prioritize nonproliferation, not denuclearization

By Jordan Chase, Eliana Johns | Nuclear Weapons

Image of an Iranian Fateh-110 missile being launched during the Great prophet-7 military exercise in 2012.

Triple threat: Russia, Iran, and North Korea trade arms to get around sanctions

By Darya Dolzikova, Daniel Salisbury | Nuclear Weapons