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

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

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 …

Mar 26, 2025 · Of the world’s approximate 12,241 nuclear warheads, roughly 9,614 are in military stockpiles for use by missiles, aircraft, ships, and submarines. The remaining warheads have been …

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 …

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 …

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 …

Mar 7, 2026 · A clear breakdown of how far different nuclear weapons can travel, from ICBMs to short-range missiles, and what determines their maximum range.

4 days ago · Stay on top of Nuclear Weapons latest developments on the ground with Al Jazeera’s fact-based news, exclusive video footage, photos and updated maps.

As the U.S. and the Soviets slipped into a decadeslong period of animosity that became known as the Cold War, both nations developed an even more powerful nuclear weapon — the hydrogen bomb — …