President Donald Trump has directed the Pentagon to resume testing nuclear weapons after a 33-year pause, announcing the move on social media just ahead of meeting Chinese President Xi Jinping in ...

A former Trump advisor says a second Trump term should involve restarting nuclear testing. Nuclear experts pushed back on the idea, warning that it'll lead to a global arms race, among other problems.

Nuke Testing Again? You may think that it's only the "lefties" who oppose a reboot of nuclear-weapons testing. In this Trumpian era, there seems to be a renewed appetite for war and arms competition.

President Trump's post announcing the U.S. would resume nuclear testing featured some inaccuracies, and introduced quite a bit of uncertainty. Why it matters: Nuclear rhetoric is closely scrutinized — ...