NASA’s futuristic X-59 jet is about to face its biggest challenge yet: breaking the sound barrier for the first time. After a ...
Agency says the experimental, quiet aircraft is expected to break the sound barrier in early June.
The US Air Force Research Laboratory (AFRL) flew its XQ-58A Valkyrie low-cost unmanned air vehicle (UAV) demonstrator successfully for a fourth time on 23 January. The aircraft, built by Kratos ...
Will the new B-21 stealth bomber effectively carry and release weapons? Will its next-generation stealth technology keep its infrared (IR) signature low and help it evade complex air defenses? Will ...
F-47 flight test envelope expands as classified speed numbers reach planners ...
Richard Branson's Virgin Group and Abu Dhabi's aabar Investments PJS, have successfully completed the second rocket-powered, supersonic flight of its passenger carrying reusable space vehicle, ...
It’s a common phrase meaning “to go beyond the usual or normal limits by doing something new, dangerous, etc.” But why does “pushing the envelope” mean this? The answer lies not in mail but in ...