The U.S. claims China is conducting secret nuclear tests. Here's what that means

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

What a Speech Reveals About Trump’s Plans for Nuclear Weapons

A top arms diplomat at the State Department recently laid out what might come next as Washington upends decades of federal policies on nuclear proliferation.
NBC Washington

Which countries have nuclear weapons and how are they tested? What to know

President Donald Trump's comments Thursday suggesting the United States will restart its testing of nuclear weapons upends decades of American policy in regards to the bomb, but come as ...