Quantum physics is quietly rewriting the rulebook for how far and how fast humanity might travel beyond Earth. A cluster of recent breakthroughs points to a future in which exotic states of matter, ...

China’s explosive climb in space is jolting America’s intelligence agencies, triggering new warnings about how fast Beijing is moving and how much the United States risks losing in the race above ...

U.S. Space Force has awarded multiple small contracts to companies to help develop prototypes for a crucial but unproven technology that will be used in President Donald Trump’s “Golden Dome” defense ...