Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: U.S. Energy Secretary Chris Wright holds a press conference on the sidelines of the International Atomic Energy Agency ...

(Bloomberg) -- US Energy Secretary Chris Wright said he expects US nuclear-weapons testing sought by President Donald Trump to stop short of actual warhead tests for now. “I think the tests we’re ...

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 ...

When the first nuclear bomb test took place 80 years ago, the scientists who gathered to observe the explosion in the New Mexico desert recognized they were playing with fire. Physicist Enrico Fermi ...

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...