As the cloud cleared, Air Force bombers dropped in to gather air samples. Researchers hoped that the radioactive fallout ...

U.S. Energy Secretary Chris Wright said he expects U.S. nuclear-weapons testing sought by President Donald Trump to stop short of actual atomic bomb explosions for now. “I think the tests we’re ...

TOMORROW, 80 YEARS SINCE THE WORLD’S FIRST ATOMIC BOMB WAS DETONATED IN NEW MEXICO. CONSIDERED INSTRUMENTAL IN THE EFFORTS TO END WORLD WAR TWO, THE TRINITY TEST DEVASTATED LOCAL COMMUNITIES.

Thankfully, no party has used nuclear weapons in war since 1945. Treaties limiting nuclear tests and weapon inventories during the Cold War highlighted the pragmatism of world leaders. As memories ...

Nuclear bombs do not rely on size, they rely on physics. Here is how chain reactions and hydrogen bombs unleash power on a city-ending scale.

On August 6, 1945, the sky above the Japanese city of Hiroshima opened. A blinding flash, then a deafening sonic boom. An entire city pulverized in seconds. Thus began the nuclear age. Today, 80 years ...