Trump estimated the Golden Dome project to cost $175 billion, with a $25 billion down payment. A recent Congressional Budget Office estimate put the total cost of deploying and operating a ...

HFC-23 emissions from chemical plants in eastern China and elsewhere likely violate an international climate agreement ...

The SR-72 “Darkstar,” Lockheed Martin’s secretive successor to the SR-71 Blackbird, aims for Mach 6+ hypersonic speeds for ...

Dalian University of Technology is among a growing number of Chinese universities that are taking proactive steps to address ...