Nuclear weapon - Wikipedia
A nuclear weapon[a] is an explosive device that derives its destructive force from nuclear reactions, either nuclear fission (fission or atomic bomb) or a combination of fission and …
Nuclear weapon | History, Facts, Types, Countries, Blast Radius ...
Nov 11, 2025 · A nuclear weapon is a device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of the two processes.
Which countries currently have nuclear weapons? | AP News
Jun 18, 2025 · Nine countries currently either say they have nuclear weapons or are believed to possess them. The five original nuclear weapons states are the United States, Russia, China, …
Nuclear Weapons - Our World in Data
How many states have nuclear weapons, and how many warheads do they have? How is this changing over time? Explore research and data on nuclear weapons.
What is a Nuclear Weapon? The Science, History, and Global …
Apr 9, 2025 · Since its first detonation during World War II, nuclear weapons have remained a subject of intense debate, fear, and fascination. They are symbols of the immense power and …
Nuclear Weapons: Who Has What at a Glance - Arms Control …
The nuclear-weapon states (NWS) are the five states—China, France, Russia, the United Kingdom, and the United States—officially recognized as possessing nuclear weapons by the …
Nuclear weapons - Scientific American
Jun 24, 2025 · Nuclear weapons coverage from Scientific American, featuring news and articles about advances in the field.
Nuclear weapons | SIPRI
Jun 23, 2025 · SIPRI tracks the trends and developments in nuclear forces and doctrines, with a particular focus on monitoring global inventories of nuclear weapons.
Status of World Nuclear Forces - Federation of American Scientists
Mar 26, 2025 · Despite progress in reducing nuclear weapon arsenals since the Cold War, the world’s combined inventory of nuclear warheads remains at a very high level: nine countries …
Putin Ally Issues Update on Deploying Nuclear Weapons in
20 hours ago · Belarusian President Alexander Lukashenko shared an update on Tuesday about his plans to deploy nuclear weapons in coordination with Russia throughout his country. The …