Last year, we heard how Rolls-Royce was developing what it claims will be the world's fastest electric airplane, the ACCEL. Now, the company has announced that it has completed ground testing of the ...

Bell has released a video showing off its High-Speed Vertical Takeoff and Landing (HSVTOL) technology in action. The two-minute video shows a ground test of the nacelle system used to lift and land a ...

Add Yahoo as a preferred source to see more of our stories on Google. The Air Force has started ground testing its first Anduril-made semiautonomous drone wingmen known as collaborative combat ...

Production of the latest version of the Exoatmospheric Kill Vehicle (EKV), part of the Ground-based Midcourse Defense (GMD) anti-ballistic-missile system, remains suspended while the U.S. Missile ...

A SpaceX Starship upper stage prototype exploded during a routine ground test on a test stand in Texas late Wednesday, the company said, in the latest setback to billionaire Elon Musk's dream of ...

Emirates has successfully completed the ground engine testing for one of its GE90 engines on a Boeing 777-300ER using 100% Sustainable Aviation Fuel (SAF). The objective of the ground testing and ...