Despite some early successes, Sierra Space, a spinout from aerospace contractor Sierra Nevada Corporation, has yet to launch a first mission of its reusable cargo spaceplane, called Dream Chaser.

Sierra Space CEO Tom Vice left the company at the end of 2024 after 3½ years in the role. Chairman Fatih Ozmen will serve as ...

COLORADO SPRINGS—Sierra Space plans to fly a Honda-developed experimental fuel cell system to the International Space Station ...

Mr. Sirangelo is currently a Scholar in Residence in Aerospace Engineering at CU Boulder. He was the founding executive and former Head of Sierra Nevada Space Systems, as well as the Founding member ...

On March 31, 2025, Sierra Space announced a successful demonstration of the company’s Resilient GPS (R-GPS) technology for the U.S. Space Force. (Graphic: Sierra Space) Company Combined Efforts ...

But secretive Sierra Nevada red foxes — genetically and geographically distinct from all other red foxes — can only live in the remote, high-elevation reaches of the Sierra Nevada and southern Cascade ...

“The Sierra Nevada red fox is a vanishing emblem of remote Sierra wilderness and a harbinger of climate change,” said Jeff Miller, a senior conservation advocate at the Center. “Endangered Species Act ...