Iran’s Supreme Leader Ayatollah Khamenei has declared the Iran-U.S. conflict “intrinsic,” saying no talks or cooperation can ...

A school boy stomps a U.S. flag as he holds an Iranian flag during an annual rally in front of the former U.S. Embassy in ...

Researchers have determined the precise date when an asteroid could potentially impact Earth, carrying with it a power ...

The quandaries posed by the nuclear film pantheon are the same ones experts in the nuclear threat reduction community face ...

North Korea is one potential villain in a fictional movie about nuclear war on Netflix, Kathryn Bigelow’s “A House of Dynamite.” It is a “Rashomon”-style thriller about the concept of mutually assured ...

NBC News’ Andrea Mitchell joins “Here’s the Scoop” co-host Yasmin Vossoughian to explain the difference between a weapons ...

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

The Fukushima Daiichi nuclear accident reinforced the importance of having adequate national and international safety standards and guidelines in place so that nuclear power and technology remain safe ...

On Wednesday, President Trump threatened to resume testing nuclear weapons again after more than 30 years, claiming that ...

Trump ordered the U.S. military to resume nuclear weapons testing. Why were they stopped and why restart now? What to know.

President Donald Trump Thursday sowed confusion among experts with his call for the start of nuclear weapons testing, with ...