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 ...
Jan 2, 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 …
What is a Nuclear Weapon? The Science, History, and Global Impact …
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 potential for …
Nuclear Weapons Worldwide | Union of Concerned Scientists
Nine countries possess nuclear weapons: the United States, Russia, France, China, the United Kingdom, Pakistan, India, Israel, and North Korea. In total, the global nuclear stockpile is close to …
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 …
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 …
US nuclear missile program costs $140 billion. Will it keep us safe?
2 days ago · America's 450 nuclear missile silos exist, at least in part, to be destroyed in a nuclear attack. USA TODAY breaks down the debate over their future.
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.
Where are the world’s nuclear weapons, and who owns them?
Jun 24, 2025 · Recent threats by Russia and President Donald Trump’s deployment of nuclear submarines have brought renewed attention to the world’s nuclear stockpiles. An inert Minuteman III …
Status of World Nuclear Forces - Federation of American Scientists
Mar 26, 2025 · Combined, the United States and Russia now possess approximately 87 percent of the world’s total inventory of nuclear weapons, and 83 percent of the stockpiled warheads available for …