Atlanta-based startup Hermeus has developed a hybrid engine that can switch from low-speed turbojet mode to hypersonic ramjet mode during its flight. The company aims to develop the fastest-ever ...

On Friday, President Donald Trump announced that Boeing would be tasked with building the U.S. Air Force's sixth-generation fighter jet. The contract competition was fierce, with Boeing competing ...

President Trump said Boeing had been selected to build the sixth-generation F-47 jet, which could be the most expensive fighter in history. Photo: Yuri Gripas/Bloomberg News The Pentagon wants the ...