Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

On October 29, just before meeting with China’s President XI Jinping, President Trump posted on the right-wing social media network Truth Social that “because of other countries [sic] testing programs ...

Donald Trump’s command for the United States to resume nuclear weapons testing will not include explosive tests, for now, according to Energy Secretary Chris Wright. Wright, whose agency oversees the ...

Opinion: This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging ...

Senior Russian officials on Nov. 11 said they were still waiting for a White House explanation about what President Donald Trump meant he when said he had instructed the Pentagon to resume nuclear ...

Energy Secretary Chris Wright revealed the U.S. will not be testing nuclear explosions, putting to rest questions over whether the Trump administration would reverse a decades-old taboo. Testing will ...

July 16 marked the 66th anniversary of the first nuclear weapons test explosion. The United States’ test, code-named “Trinity,” was exploded in the desert of New Mexico and ignited the nuclear age.

A Pakistani official told CBS News that the country "will not be the first to resume nuclear tests" in response to President Trump's assertion in an interview with 60 Minutes that the country has ...

President Donald Trump has ordered preparations to resume U.S. nuclear weapons testing, citing alleged Russian and Chinese violations. Moscow and Beijing deny conducting explosive nuclear tests but ...

President Donald Trump’s recent social media post about his intention for the United States to resume nuclear weapons testing — doubled down in comments aboard Air Force One — demonstrates how little ...

Last week, Trump announced on social media that he had ordered the Department of Defense to immediately begin testing nuclear weapons, as Russia and China—the key nuclear rivals of the U.S.—have ...