Here’s how a nuclear bomb actually works. The B61 and the B83 nuclear bombs currently in the United States’ arsenal are thermonuclear, or hydrogen bombs, and quite different than the fission weapons ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United States to resume its testing of nuclear bombs.

After two planes collided, three hydrogen bombs hit a Spanish village, and one fell into the sea nearby. Two years later, ...

North Korea's neighbors are looking for radiation from its nuclear test, but they might not find any. The North said the underground test site where it detonated what it described as a hydrogen bomb ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

North Korea claimed today it has tested a thermonuclear weapon, also known as a "hydrogen bomb." That claim is being questioned, but the test alone was enough to generate an emergency session of the ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...