NASA and Sierra Space have agreed to change their deal for its Dream Chaser spacecraft, which will now have its first launch ...

NASA has announced significant modifications to its contract with Sierra Space for the Dream Chaser spacecraft, effectively ...

Sierra Space and NASA announced that the first flight of the Dream Chaser spaceplane has been pushed to late 2026, mission ...

Modifications to a cargo deal between Sierra Space and NASA may mean the Dream Chaser space plane never reaches the International Space Station.

While many in the industry were at first skeptical of NASA’s goal to put resupply flights to the International Space Station in the hands of commercial operators, the results speak for ...

Preface; Acknowledgements; Foreword; Dedication; Prologue; 1: An Alternative Plan; Shuffling the Shuttle to Assemble the Station; NASA's Tier-2: An Alternative Assembly Plan; The Interim Control ...

California’s Vast Space is building what would be the world’s first commercial space station, which it aims to launch next ...

we must occasionally raise the altitude of the ISS." Spetch said NASA has used many different ways to maintain altitude in the past, with the main being the Russian segment providing propulsive assist ...

The new jumbo version of Cygnus delivered about 11,000 pounds of cargo to the orbiting lab this morning (Sept. 18).