Some high-density airspace regions could have as high as a 26% of being affected by an uncontrolled rocket body reentry.

Several recent aviation incidents, including engine fires and devastating airplane accidents occurring back to back in recent ...

Wednesday, Sierra Space officials announced the spacecraft successfully completed and passed another round of test milestones ...

Boom Supersonic's XB-1 demonstrator craft could become the first commercial jet to break the sound barrier since Concorde ...

Lofted in December of 2023, the military spaceplane was placed in an orbit higher than any of the earlier space plane missions – into a highly elliptical high Earth orbit. From that orbit ...

Sierra Space has passed yet another major benchmark—one that didn’t involve inflating (and subsequently popping) space station module models. According to the startup’s January 29 update, ...

Lofted in December of 2023, the military spaceplane was placed in an orbit higher than any of the earlier space plane missions – into a highly elliptical high Earth orbit. From that orbit ...

LOUISVILLE, Colorado — The scene here is intense. Slowly, ever so slowly, the Sierra Space Dream Chaser spaceplane draws near the International Space Station. There is focused face time here as ...

Just 11 seconds before liftoff, the launch of SpaceX Falcon 9 was postponed after officials feared a plane had strayed into ...