The Dream Chaser space plane was integrated with the 'Shooting Star' module at NASA's Armstrong Test Facility in Ohio. Sierra ...

The U.S. military's elusive X-37B space plane has postponed its next launch by three days. Based on the rocket its riding on, the secretive spacecraft is likely launching farther than ever before.

-America’s X-37B space plane looks like a scaled-down shuttle, but it has become one of the most consequential military programs of the post-Cold War era. -Born as a NASA technology demonstrator and ...

In order to get a spaceship in top-notch condition for its first trip to space, a lot of things must be done just right. Including a huge number of tests that tell engineers if everything is primed to ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a proven Defense Tech company delivering solutions for the nation’s most critical missions and advancing the future of security in space, announced ...

The Artemis 2 moon mission will send a swatch from the famous Wright Flyer, along with a number of other aerospace artifacts, ...

I sometimes wonder where we would be now, as a species, had the Soviet Union not collapsed and continued its space race with the United States. Would we have already colonized other planets by now, or ...

Freightliner Trucks, a subsidiary of Daimler Truck North America, worked with Sierra Space on high-speed runway tow tests for the Dream Chaser autonomous spaceplane, designed to transport pressurized ...