The Italian nuclear weapons program was an effort by Italy to develop nuclear weapons in the late 1960s and early 1970s. Italian scientists such as Enrico...

three types of weapons of mass destruction: nuclear weapons, biological weapons, and chemical weapons. It is one of the five nuclear-weapon states recognized...

nuclear weapons to defend themselves against an offensive assault from the Soviet Union. From 1945 to 1972 the government ran a clandestine nuclear weapons...

Japan had several programs exploring the use of nuclear fission for military technology, including nuclear reactors and nuclear weapons. Like the similar...

Israel is widely believed to possess nuclear weapons. Estimates of Israel's stockpile range between 90 and 400 nuclear warheads, and the country is believed...

Korea has a military nuclear weapons program and, as of June 2023, is estimated to have an arsenal of approximately 30 nuclear weapons and sufficient production...

the Biological Weapons Convention since 1975, the Treaty on the Non-Proliferation of Nuclear Weapons since 1991, and the Chemical Weapons Convention since...

of nuclear weapons. Five are considered to be nuclear-weapon states (NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT)...

possess nuclear weapons. Pakistan began developing nuclear weapons in January 1972 under Prime Minister Zulfikar Ali Bhutto, who delegated the program to the...

possesses nuclear weapons and previously developed chemical weapons. Although India has not released any official statements about the size of its nuclear arsenal...