"The jury remains out on whether the June 2020 event was a nuclear test or not. What is certain is that we are in a time of ...

A US official says a seismic station in Kazakhstan collected evidence of an alleged China nuclear test at Lop Nur in June ...

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

The United States is ready to carry out low-yield nuclear tests to match alleged secret explosions by China and Russia, ...

Confusion and ambiguity are dangerous in nuclear brinksmanship. President Donald Trump spread both on Wednesday when he ...

Resuming full testing of nuclear weapons — as President Donald Trump called for last week — would be unnecessary, costly, undermine nonproliferation efforts, and empower the nation’s adversaries to ...

America’s last nuclear detonation was nothing special. Smaller than the bomb that killed 73,000 people in Nagasaki, it exploded 1,397 feet below the Nevada desert. It shook the ground, created a ...

It remains to be seen whether the three big nuclear powers are headed into a new arms race, or whether President Trump is trying to spur negotiations on a new accord now that a last Cold War treaty ...

President Donald Trump Thursday sowed confusion among experts with his call for the start of nuclear weapons testing, with some pundits interpreting the announcement as US preparations for a shock ...

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

Tires stick to hot asphalt as I drive the Stuart Highway from Alice Springs northward, leaving the MacDonnell Ranges behind.