Recently, footage has circulated on social media that appears to document one of the ...

Unsurprisingly, the premise of lost, missing, or stolen weapons of mass destruction—be they chemical, biological, radiological, or nuclear—has been the plot line of many a fictional thriller story.

During one very unusual Cold War drill, a Soviet Su-7 Fitter attack jet delivered a live tactical nuclear weapon in an end-to ...

Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump delivers the first State of the Union address of his second term to a joint session of Congress in the ...