Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an ...

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 ...

In October 1961, the Soviet Union detonated Tsar Bomba, the most powerful nuclear weapon ever built. With a yield of 50 megatons, it was about 3,800 times stronger than the bomb dropped on Hiroshima.

More than 300,000 estimated fatalities are expected if Russia dropped the largest bomb ever made in the country onto Taunton.