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 ...
Jan 2, 2026 · 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.
Status of World Nuclear Forces - Federation of American Scientists
Mar 26, 2025 · Who owns the world’s nuclear weapons? Despite progress in reducing nuclear weapon arsenals since the Cold War, the world’s combined inventory of nuclear warheads …
Countries with nuclear weapons - ICAN
Russia has the most confirmed nuclear weapons, with over 5,500 nuclear warheads. The United States follows behind with 5,044 nuclear weapons, hosted in the US and 5 other nations: …
What is a Nuclear Weapon? The Science, History, and Global …
Apr 9, 2025 · At the heart of a nuclear weapon is the concept of energy release through nuclear reactions. The two most commonly used reactions in nuclear weapons are nuclear fission and …
Nuclear Weapons - Our World in Data
On this page, you can find writing, visualizations, and data on how many states have nuclear weapons, how many warheads they possess, how many oppose them, and how this has …
Nuclear Arsenal of the United States (2025)
Comprehensive overview of the United States's nuclear weapons program. Detailed data on warhead inventory, deployment status and nuclear capabilities.
Ranked: Countries With the Most Nuclear Warheads in 2025
Aug 15, 2025 · Explore which countries have the most nuclear warheads as of January 2025, and how global stockpiles are shifting.
Nuclear Weapons by Country 2025 - World Population Review
Jun 12, 2025 · A nuclear weapon is an explosive device that derives its destructive force from nuclear fission, nuclear fusion, or a combination of the two. Nuclear weapons are alternately …
Nuclear Weapons Database - Complete Guide to Nuclear Arsenal …
Comprehensive database of nuclear weapons including ICBMs, warheads, and strategic bombs. Learn about specifications, yields, and capabilities of nuclear arsenals worldwide.