Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Tulsi Gabbard’s testimony before the Senate Intelligence Committee has led Iranian Supreme Leader Ayatollah Ali Khamenei to ...

Researchers at Korea's Daegu Gyeongbuk Institute of Science & Technology have created a nuclear battery that could turn ...

No specific weapons transfer can ensure Israel is able to block Tehran’s nuclear ambitions on its own—even an MOP.

Gabbard said that Kim Jong Un is likely preparing to order North Korea's first nuclear test in over six years.

What makes the B61-12 particularly impressive is the bomb’s ability to adjust its destructive yield depending on the ...

The recently-fitted nuclear containment dome measures roughly 134 feet (41 meters) in diameter and 36 feet (11 meters) in ...

The United States is developing an advanced missile defence system, the "Golden Dome," to shield the entire nation from ...

The U.S. is the biggest nuclear power in Europe, but doubts about Washington’s commitment has leaders questioning their ...

Fighter jets from NATO countries intercepted two long-range U.S. heavy bombers in intensive Arctic drills, as tensions ...

For decades, the U.S. has led the race to clean, limitless nuclear fusion energy. Now China is catching up, spending twice as ...