The Federation of American Scientists warned in its latest accounting that Beijing has "significantly expanded" its program by "fielding more types and greater numbers of nuclear weapons than ever ...

The threat of U.S. withdrawal has prompted countries around the world — from Germany to South Korea — to talk about building their own nuclear arsenals.

Since 1987, the Bulletin of the Atomic Scientists has published the Nuclear Notebook, an authoritative accounting of world nuclear arsenals compiled by top experts from the Federation of American ...

Data from the Federation of American Scientists indicated that 2,100 ... that no country openly reveals the exact number of nuclear weapons in their arsenal, making it difficult to estimate.

An executive order signed this week by President Donald Trump seeks to streamline the sale of U.S. weapons to foreign ...

"For the first time, a component of Indian origin was found in Russian weaponry – a clock buffer from Aura Semiconductor," ...