The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, on Aug. 29, 1949, at Semipalatinsk Test Site, in Kazakhstan. The Soviets called their first atomic test "First Lightning." ...

At 0530, 16 July 1945, in a remote section of the Alamogordo Air Base, New Mexico, the first full-scale test was made of the implosion type atomic fission bomb ... from the site -- he overheard ...

But the tests were successful, no one was injured, and a monument was erected at the site of the explosion to commemorate the first atomic bomb in human history. Testing the world's first nuclear ...

On this day 74 years ago, nuclear testing kicked off at the Nevada Test Site, just 65 miles north of Las Vegas.

with the successful testing of the most powerful weapon known to man. "Gadget," the first atomic bomb — a 6-foot sphere with a grapefruit-sized Plutonium core, covered in cables — was born out ...

Noa Yamanishi, a second-year student at the same high school, said she covered her ears during the scene of the world’s first atomic bomb test. “That scene alone was terrifying enough for me ...