In June, the US military struck Iran’s main nuclear sites using a variety of precision weapons and cutting-edge aircraft.

Costs are mounting for the U.S. defense industry, critical infrastructure, and relations with partners and allies.

The appraisal that Iran’s nuclear hopes had been set back 1 to 2 years by U.S. and Israeli bombings was the latest in a ...

Iran just ended its cooperation with international inspectors, suggesting no post-bombing deal is imminent. That may point to ...

A DARPA official said the agency canceled a space nuclear propulsion project it was jointly developing with NASA as it was overtaken by lower launch costs.

A scholar of intelligence and strategy explains why battle damage assessments are so challenging – and why the process has ...

The American reaction to an attack is classified, but details made public paint a harrowing picture.