NASA's second multi-day test to simulate a launch day is underway in Florida in a critical demonstration of whether the agency's massive moon rocket is prepared to send astronauts on a lunar mission.
Add Yahoo as a preferred source to see more of our stories on Google. NASA is getting ready to go supersonic. The U.S. space agency's experimental X-59 jet designed to eventually travel faster than ...
NASA is getting ready to go supersonic. The U.S. space agency's experimental X-59 jet designed to eventually travel faster than the speed of sound is preparing for its second flight from California.