Watch how the first atomic bomb test unfolded, as scientists pushed the limits of physics in a race to end the war. Behind ...

There has not been a major (or minor) nuclear explosion since the 1960s. This is almost entirely because the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) was opened for signature on July 1 ...

That's certainly a belief shared by American journalist Annie Jacobsen, who published her book 'Nuclear War: A Scenario' in ...

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions ...

On April 26, 1986, Soviet engineers at the Chernobyl nuclear power plant were conducting a safety test. Doomed by a fatal ...

Strikes to Iran’s Bushehr nuclear power plant could release long-lasting radioactive cesium 137 into the Persian Gulf, ...

With the war in Iran re-igniting fears of WW3 and nuclear war, scientists have deciphered which states would suffer a "nuclear winter" in the event of a nuclear war. Experts have long warned that ...

Al Jazeera spoke with MIT professor Ted Postol about what Iran could do with its 440kg of 60 percent enriched uranium.

Trump says his goal is to stop Iran from getting a nuclear bomb. But experts say the result might be lots more nukes across the globe.