Regional fears of a U.S. attack on Iran have eased after President Donald Trump said Tehran had assured him that protesters ...

The blast consumed everyone near the bow. No witnesses survived to explain what triggered the detonation. A fireball erupted ...

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Nationwide protests in Iran are putting new pressure on its theocracy as the country faces an economic crisis.

Numerous pundits and opinion pieces suggested that Trump’s Venezuela raid would send a welcome signal to Russia and China: ...

In 1961, the Soviet Union detonated the most powerful nuclear weapon ever built. Known as Tsar Bomba, the explosion was over ...

The Soviet Union built the largest nuclear weapon ever detonated, but just before its test, engineers deliberately reduced ...

For only the second time, Russia used a new ballistic missile that it says flies at 10 times the speed of sound and is ...

"This was many times more energetic than any similar event and more than any known explosion powered by the collapse of a ...

Phase I of Zhangzhou nuclear power plant is now operational in China after two units of the Hualong One reactor have come ...

The United States operates the most robust fleet of nuclear reactors in the world. With 94 reactors across 54 power plants, the U.S. generates roughly 97 gigawatts (GW) of nuclear power, significantly ...

China—the world's third-largest nuclear power, behind Russia and the United States by number of warheads—is unlikely to increase transparency around its buildup in the new year, following this year's ...