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

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 ...

The Enola Gay, the plane that dropped the atomic bomb on Hiroshima in World War II, is now a museum exhibit.

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 ...

Israel struck key Iranian nuclear sites to curb bomb development amid rapid uranium enrichment and rising tensions.

In the early years of the Cold War, the arrival of nuclear weapons threatened to completely reshape how wars would be fought. Military planners believed future battlefields would be defined by atomic ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The Enola Gay viewed from an elevated platform at the National Air and Space Museum's Steven F. Udvar-Hazy Center.Talia ...

WASHINGTON — The nuclear weapons testing ordered by President Donald Trump will not involve nuclear explosions at this time, Energy Secretary Chris Wright said on Sunday. "I think the tests we're ...