COLORADO SPRINGS—Sierra Space plans to fly a Honda-developed experimental fuel cell system to the International Space Station (ISS) for testing in microgravity under a new partnership.

Witnessing an explosion involving a carefully constructed piece of space kit doesn’t look like a good thing, but engineers at Sierra Space was entirely happy to see its LIFE (Large Integrated ...

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 ...

Sierra Space has successfully demonstrated its Resilient GPS (R-GPS) technology for the U.S. Space Force (USSF). This milestone, achieved in collaboration with General Dynamics Mission Systems, ...

Sierra Space is teaming up with Honda and Tec-Masters to enable Honda’s development of a regenerative fuel cell system for production of oxygen, hydrogen and electricity on the moon.

MUFG Bank is among three Japanese firms leading a $290-million fundraising round for U.S. spaceship company Sierra Space, spearheading a commercial “spaceport” project in the southwestern ...