Nuclear weapon - Wikipedia
Strategic nuclear weapons are targeted against civilian, industrial, and military infrastructure, while tactical nuclear weapons are intended for battlefield use.
Nuclear weapon | History, Facts, Types, Countries, Blast Radius ...
Feb 18, 2026 · Atomic bombs work with nuclear fission. Two subcritical masses of uranium or plutonium are quickly put together to form a critical mass —that is, enough material to start a runaway fission …
NukeSim - Nuclear Explosion Simulator & Nuclear Education Hub
Jan 15, 2024 · Interactive nuclear explosion simulator with scientific accuracy. Comprehensive nuclear education covering nuclear weapons, nuclear technology, nuclear policy, and nuclear science. …
How advanced is Iran's nuclear program? Here's what we know.
Feb 20, 2026 · President Trump launched military strikes on Iran after several rounds of talks over the country's nuclear program and uranium stockpiles. Here's what to know about the nuclear program.
Atomic Bomb: Nuclear Bomb, Hiroshima & Nagasaki - HISTORY | HISTORY
Sep 6, 2017 · Scientists first developed nuclear weapons technology during World War II. Atomic bombs have been used only twice in war—both times by the United States against Japan at the end of …
Nuclear Weapons: Who Has What at a Glance - Arms Control Association
At the dawn of the nuclear age, the United States hoped to maintain a monopoly on its new weapon, but the secrets and the technology for building the atomic bomb soon spread. The United States …
Nuclear Weapons - Our World in Data
Explore research and data on nuclear weapons. By Bastian Herre, Pablo Rosado, and Max Roser. This page was first published in August 2013 and last revised in February 2024. The world’s nuclear …
Status of World Nuclear Forces - Federation of American Scientists
Mar 26, 2025 · Combined, the United States and Russia now possess approximately 86 percent of the world’s total inventory of nuclear weapons, and 83 percent of the stockpiled warheads available for …
AI systems more ready to drop nukes in escalating geopolitical crises ...
3 days ago · AI is ready to duke it out with nukes. Real life AI systems are turning out to be as bloodthirsty as the machine from movie “WarGames” — as they have proved more willing to use …
France’s nukes and Europe’s worries about Trump in spotlight as …
1 day ago · President Emmanuel Macron is updating France’s nuclear deterrence doctrine as Europe worries about Russia and doubts U.S. protection under Donald Trump.