President Trump’s decision to restart nuclear weapons testing as a warning to Moscow is being cheered by his Republican ...

Experts say Trump's direction for the U.S. to resume nuclear testing is dangerous to populations and would open a door for adversaries to sharpen their weapons.

President Trump’s post raises technical questions about how and if the United States could “immediately” return to nuclear ...

Confusion and ambiguity are dangerous in nuclear brinksmanship. President Donald Trump spread both on Wednesday when he ...