The U.S. hasn’t tested the explosion of a nuclear weapon since 1992, when President George H.W. Bush ordered a moratorium.

Though the country’s nuclear arsenal has undergone no explosive testing for decades, federal experts say it can reliably obliterate targets halfway around the globe.

Wright, whose agency is responsible for testing, added that the planned testing involves “all the other parts of a nuclear weapon to make sure they deliver the appropriate geometry and they set up the nuclear explosion.” The confusion over Trump’s ...

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.

The test comes days after President Vladimir V. Putin announced the previous trial of another Russian nuclear weapon.

Newsweek has broken down how Moscow, Beijing, London, New York, Los Angeles, Tokyo and Paris would be affected if any of these cities were targeted by a W88 exploding in an airburst, according to NUKEMAP, a resource created by by Alex Wellerstein, a professor and historian of nuclear technology.