China’s nuclear weapons development has long concerned the U.S., which has warned that the East Asian power could possess ...

The global salience of nuclear weapons — once expected to diminish after the Cold War — is instead rising sharply. This ...

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

Democratic U.S. Senator Edward Markey on Tuesday urged President Donald Trump not to resume explosive nuclear weapons testing ...

Trump’s message at the end of last month is that the U.S. is no longer willing to ignore obvious dangers, especially if China ...

North Korea has hurtled along its path of nuclear tests and trials of delivery systems, despite years of sanctions.

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 ...

While the significance of testing nuclear weapons dwindled over 60 years ago, the terrifying circumstances that brought that ...

US Air Force Lockheed Martin F-35A fighters have completed integration tests with inert B61-12 nuclear gravity bombs, proving ...

The greatest resistance to US nuclear testing would not come from China or Russia, but from the southwestern states of Nevada and Utah which have historically suffered because of nuclear testing ...