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

Nov 3, 2025 · 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 …

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 …

Oct 31, 2025 · The Nuclear Club: The 9 countries armed with nukes as US set to resume weapons testing There has been renewed focus on nuclear arsenals after Russia’s invasion of …

Oct 30, 2025 · Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe.

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 …

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 — …

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 …

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

8 July 1996 ICJ Rules on Nuclear Weapons The International Court of Justice hands down an advisory opinion in which it found that the threat or use of nuclear weapons would generally be …