A limited test ban would set important guardrails to manage escalation among nuclear weapons states, particularly the U.S., ...

The U.S. and Russia have both recently threatened to resume nuclear testing, alarming the international community and ...

A Russian missile exploded at a military base, sending plumes of purple smoke skywards, according to local residents. It is ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United ...

For better or worse, the U.S. nuclear arsenal is currently having a moment. First, "A House of Dynamite" became an instant No. 1 hit for Netflix shortly after its global streaming debut in October.

A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) In what would be a major shift in a decades-old American policy against global nuclear ...

President Trump said on Thursday that the U.S. would begin testing nuclear weapons again for the first time in decades. “We’ve halted many years ago, but with others doing testing I think it’s ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

Spray from crashing waves rises against the concrete seawall as workers in reflective jackets patrol the perimeter of the ...