Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

VIENNA, Oct 30 (Reuters) - The head of the Comprehensive Nuclear-Test-Ban Treaty Organization, or CTBTO, said on Thursday that any explosive nuclear weapon test would be harmful for global ...

Thermobaric weapons like the ODAB-1500UMPK raise serious ethical questions, as their indiscriminate effects in populated areas can cause civilian casualties and long-term environmental damage. Caustic ...

The munitions plant in Tennessee where an explosion occurred on Friday produces TNT, which is commonly used by the military and commercial industries. By John Ismay and Thomas Gibbons-Neff An ...