A nuclear weapon [a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission or atomic bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing a nuclear explosion. Both bomb types release large quantities of energy from relatively small amounts of matter.

Feb 15, 2025 · What is a nuclear weapon? A nuclear weapon is a device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of the two processes. Are there treaties to control the proliferation of nuclear weapons?

4 days ago · More:US nuclear weapons agency hit by layoffs after DOGE exemption denied "We cannot expect to project strength, deterrence, and world dominance while simultaneously stripping away the federal ...

Five are considered to be nuclear-weapon states (NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT). In order of acquisition of nuclear weapons, these are the United States, Russia (the successor of the former Soviet Union), the United Kingdom, France, and China.

5 days ago · Trump administration officials scrambled through the weekend amid a flood of criticism to claw back employees they fired Thursday evening at the National Nuclear Security Administration, four ...

The components of a B83 nuclear bomb used by the United States. This is a list of nuclear weapons listed according to country of origin, and then by type within the states. The United States, Russia, China and India are known to possess a nuclear triad, being capable to deliver nuclear weapons by land, sea and air.

Nine countries currently have nuclear weapons: Russia, the United States, China, France, the United Kingdom, Pakistan, India, Israel, and North Korea. These nuclear powers differ a lot in how many nuclear warheads they have. The chart shows that while most have dozens or a few hundred warheads, Russia and the United States have thousands of them.

Nuclear weapons are the most dangerous weapons on earth. One can destroy a whole city, potentially killing millions, and jeopardizing the natural environment and lives of future generations through its long-term catastrophic effects.

Jan 28, 2025 · AI can dangerously automate the command and control of nuclear weapons. The increased role of nuclear energy to address climate change could increase the spread of nuclear weapons capability ...

4 days ago · Some federal workers who oversee nuclear weapons laid off, asked to return 04:21. The Trump administration has paused the firings of hundreds of federal employees working on the nation's nuclear ...