Existing legislation prevents Space Force from fully recouping indirect costs of launches, a new GAO report finds.

The U.S. halts Patriot missile shipments to Ukraine during global review of military aid priorities, sparking debate over ...

Former Deputy National Security Advisor Victoria Coates joins 'America's Newsroom' to discuss President Donald Trump's phone call with Putin as he continues to push for peace in Ukraine.

The decision left officials on both sides of the Atlantic scrambling to find out how long the pause might last.

The decision was driven by the Pentagon’s policy chief, Elbridge Colby, and was made after a review of Pentagon munitions ...

The move "was made to put America’s interests first," a White House spokeswoman said, as U.S. munitions have been depleted in ...

The Pentagon came under criticism Wednesday for its decision to halt sending air defense missiles to Ukraine, with lawmakers ...

The Pentagon is pausing shipments of weapons to Ukraine again after more than three years of deliveries meant to bolster the ...

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 ...

Several experts have cautioned that Iran likely moved a stockpile of near weapons-grade highly enriched uranium out of the ...

Hurricane experts have already raised alarms about the effect the Trump administration's slashing of science budgets could ...

Scientists were initially given less than a week to prepare for the loss of microwave observations that are key in detecting ...