Nine countries hold the 13,000 nuclear weapons in the global stockpile. That's less than during the Cold War but it doesn't change the fact that these bombs are still a threat to global humanity. So how do they work and are we close to nuclear war?

One of the most terrifying weapons at the disposal of military forces around the world today is the nuclear bomb. ... Read more

Effects of Nuclear Weapons. The Energy from a Nuclear Weapon. One of the fundamental differences between a nuclear and a conventional explosion is that nuclear explosions can be many thousands (or millions) of times more powerful than the largest conventional…

Learn how to prepare for, stay safe during, and be safe after a nuclear explosion. Prepare Now Stay Safe During Be Safe After Associated Content

The results from the 1962 Starfish Prime test serve as a warning of what might happen if Earth’s magnetic field gets blasted again with high doses of radiation.

If a quarter of the heat of warming can be offset by moving cooler water into deep water at the sites of deep water formation, all of it can be moved to depths of 1000 meters through heat pipes and

August 1945 will forever be remembered as one of the most dramatic months in the history of mankind, when nuclear weapons were used in warfare for the first and last time to date. Tragically, this powerful weapon was aimed at civilian targets: on August 6…

These aren't small numbers. At all.

A Russian nuclear energy agency released formerly classified footage of the Soviet Union’s 1961 Tsar Bomba test.

by Masami Nishimoto, Senior Staff Writer Valuable negatives of panoramic photographs from August 194

Visualization of nuclear detonations from 1945 to present. Atmospheric: red Underground: yellow Underwater: blue By Orbital Mechanics (http://orbitalmechanics.io) Code…