Vice President JD Vance made up a theoretical threat straight out of science fiction to justify the ongoing war on Iran. It ...

A research team is using astrophysical explosions to understand the mysterious forces at work in some of the smallest building blocks in nature: atomic nuclei. In new research published in Nature ...

A senior State Department official on Tuesday said the U.S. still is assessing how to implement President Donald Trump's ...

The United States federal government is channeling billions of dollars into keeping existing nuclear plants running, restarting shuttered reactors, and clearing the regulatory path for advanced ...

A ⁠senior ⁠State Department official ⁠on Tuesday said that the U.S. ​still is assessing how to implement President Donald ‌Trump's order to resume ‌U.S. nuclear weapons tests. Undersecretary of ⁠State ...

A top Trump administration official on Tuesday disclosed new details to support its claim that China conducted an underground nuclear explosion during Donald Trump’s first presidency, a contested ...

A DF-17 road-mobile medium-range ballistic missile is seen during a military parade in Beijing's Tiananmen Square on September 3, 2025. China may want to develop new nuclear warheads for its ...

A senior United States official on Tuesday disclosed further details about a covert nuclear-related test allegedly carried out by China while stressing the U.S. cannot afford not to resume testing to ...

A senior U.S. official offered new details Tuesday night about an alleged nuclear bomb test conducted by China in June 2020. Assistant Secretary of State Christopher Yeaw spoke at a Hudson Institute ...

Within hours of the expiration last week of the final arms control treaty between Moscow and Washington, the State Department sent its top arms diplomat, Thomas G. DiNanno, to Geneva to lay out ...