The US president’s intention to resume tests, along with the Russian leader’s boasts about his atomic arsenal, heighten ...

Senate Democrats push back against Trump's nuclear testing plans with new legislation requiring congressional approval for ...

Unusually, the Terminal High Altitude Area Defense (THAAD) missile does not have an explosive warhead. Instead, it takes down ...

President Trump has argued the U.S. should test nuclear weapons because other countries are doing it. But scientific data suggest they’re not.