The authoritative guide to ensuring science and technology make life on Earth better, not worse.

US security guarantee

Even in the face of Russian aggression, a nuclear ‘Eurodeterrent’ is still a bad idea

By Stephen J. Cimbala, Lawrence J. Korb | Nuclear Weapons

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

By Sayuri Romei | Nuclear Weapons

The US has a new nuclear proliferation problem: South Korea

By Lauren Sukin | Nuclear Weapons

Republic of Korea Air Force F-16 Fighting Falcon fighter jets. Photo credit: ROK Air Force

How to keep South Korea from going nuclear

By Duyeon Kim | Nuclear Risk, Nuclear Weapons