Strategic nuclear weapons are targeted against civilian, industrial, and military infrastructure, while tactical nuclear weapons are intended for battlefield use.

NUKEMAP is a website for visualizing the effects of nuclear detonations.

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 …

Jan 15, 2024 · Interactive nuclear explosion simulator with scientific accuracy. Comprehensive nuclear education covering nuclear weapons, nuclear technology, nuclear policy, and nuclear …

Jun 18, 2025 · Nine countries currently either say they have nuclear weapons or are believed to possess them. The first to have nuclear arms were the five original nuclear weapons states — …

Jan 6, 2026 · 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.

Dan & The Gumps.

Aug 7, 2025 · One of the first questions we need to answer to better understand the risks of nuclear weapons is: which countries have them, and in what quantity? The chart shows …

Comprehensive overview of the United States's nuclear weapons program. Detailed data on warhead inventory, deployment status and nuclear capabilities.

Under the Non-Proliferation Treaty (NPT), the United States, Russia, the United Kingdom, France, and China are recognized "nuclear-weapons states" (NWS). They are also the five permanent …