When PolitiFact asked the White House to square Trump’s remarks about obliteration with Witkoff’s comment about Iran being a week away from having bomb making material, the White House referred us to press secretary Karoline Leavitt’s Feb. 24 remarks.

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering at University of California, Berkeley.

The hydrogen bomb, unlike the atomic bomb used on Hiroshima, generates energy through fusion by fusing isotopes of hydrogen, deuterium and tritium. This fusion process requires extremely high temperatures, around 100 million degrees Celsius, achieved using ...

FILE PHOTO: U.S. Energy Secretary Chris Wright holds a press conference on the sidelines of the International Atomic Energy Agency (IAEA) General Conference in Vienna, Austria, September 15, 2025. REUTERS/Lisa Leutner/File Photo WASHINGTON (Reuters) -The ...

President Donald Trump’s call for the United States to resume testing of nuclear weapons last week has experts scratching their heads. What did he really mean – exploding a warhead or testing delivery systems? Does he understand how nuclear weapons work?

President Donald Trump ordered the Department of War to resume testing nuclear weapons “on an equal basis” with Russia and China on Thursday, a practice halted by the U.S. in 1992. The announcement gave rise to fears of the revived possibility of ...

From Trinity’s fallout to a New Mexico school underground, “Nuclear Family” traces how the bomb reshaped one family and a region.