MILAN — The U.S. State Department has approved the sale of a hefty weapons package to Qatar, including a handful of ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

And when World War II erupted in earnest in September 1939, the Stuka spearheaded Germany’s Blitzkrieg into Poland, France, ...

A powerful U.S. Senate Republican called on Wednesday for an independent probe of Trump administration officials' discussion of sensitive attack plans on the Signal messaging app, after critics ...