VIENNA (AP) — The United States and Russia have both recently threatened to resume nuclear testing, alarming the ...

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

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

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

China took a veiled swipe at the US for plans to change nuclear policies and warned that maintaining large arsenals increases ...

The U.S. and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests ...

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

Nev., has signed on to a new bill that would establish a presumption that certain veterans were exposed to radiation and ...

VIENNA—The United States and Russia have both recently threatened to resume nuclear testing, alarming the international community and jeopardizing a global norm against such tests. Experts say these ...

Since 1996, only 10 nuclear tests have been conducted, by 3 countries: India, Pakistan and North Korea; but Trump has claimed he'll resume, Putin has responded ...

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