The Soviet Union detonated its first atomic bomb ... of the test and gave the order for the countdown. A witness gave this account of the blast: "The earth trembled beneath us, and our faces ...

Ivy Mike was the world's first hydrogen bomb and had a yield of 10.4 megatons ... Romeo was the second US nuclear test of the Castle Series, which were conducted in 1954. All of the detonations ...

The Nation argued against the development of the hydrogen bomb in terms that apply to Edward Snowden’s revelations about the surveillance state today. Nuclear weapons test of the Bikini Atoll as ...

Ivy Mike was the world's first hydrogen bomb and had a yield of ... Romeo was the second US nuclear detonation of the Castle Series of tests, which were conducted in 1954. All of the detonations ...

Scientists in the United States have achieved a major milestone by completing the last production unit of the B61-12 nuclear gravity bomb. It was completed as part of collaborative partnerships ...

President Donald Trump recently stated: “There’s no reason for us to be building brand new nuclear weapons. We have so many.” But concerns about resuming bomb tests continue. Many experts ...

The project became known as Operation Ivy. About 2 years after Truman’s decision, Donald Whitman witnessed the first hydrogen bomb go off from about 30 miles away on a Navy ship. “In the diary ...