The Treaty on the Non-Proliferation of Nuclear Weapons (NPT) remains the cornerstone of global efforts to prevent the spread of nuclear weapons. Adopted in 1970, the NPT’s objectives are threefold: ...

Discover the dramatic story behind the Tsar Bomba, the largest nuclear weapon ever detonated. This video explores its Cold ...

Nuclear weapons are not going to suddenly disappear. But they might create a more dangerous world in which countries are neither safely deterred nor meaningfully disarmed.

Global momentum continues to build behind nuclear power. There are more than 400 nuclear reactors in operation today in 31 countries, and the number of countries that are considering, planning or well ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

Putin explained how science could be used to gain an advantage over Russia's enemies.

Few manmade threats inspire as much fear as the potential of a nuclear meltdown. The fact that "Chernobyl," once an obscure Ukrainian town, is now globally recognized as a synonym for catastrophe ...

Keeping U.S. nuclear weapons out of the hands of adversaries is essential for national security. On request of Congress, the National Nuclear Security Administration (NNSA) asked the National ...