Watch the Dawn Aerospace's Mk-II Aurora Spaceplane light up it rocket engine test flight. Credit: Dawn Aerospace ...

For the first time in over 20 years, a civilian aircraft has surpassed the sound barrier. The rocket-powered Mk-II Aurora, developed by Dawn Aerospace, reached Mach 1.1 during a test flight.

2023 atop a SpaceX Falcon Heavy rocket. And now, the X-37B has notched another milestone with the Space Force's release of this photo, the first-ever image of this space plane in orbit that has ...