The Space Force has canceled its contract with one of the four companies developing designs for its Resilient GPS program ...

Background on the contract Sierra Space, a Colorado-based satellite manufacturer, was selected in January 2024 to produce 18 satellites for the SDA’s Tranche 2 Tracking Layer — a component of ...

2024 set spaceflight records for the fourth consecutive year with 259 launches worldwide and one launch attempt roughly every ...

Elon Musk's internet satellites have been a game changer for people in rural areas, but scientists are alarmed that plans to launch thousands more will be perilous for our skies.

Thirteen satellites boasted direct-to-cell communications ... Read the full story here. Sierra Space Dream Chaser 'mini shuttle' space plane tests continue toward May maiden flight Sierra Space's ...

“We will move beyond SAR,” Capella Space CEO Frank Backes said Feb. 16 on the sidelines of the International Defense Conference here in Abu Dhabi. The new satellites will come with a software-defined ...

The nebulosity of hydrogen gas is revealed with the use of a “Hydrogen-Alpha” filter in an astro image of the Cygnus constellation by Sam Miller, a technician at the Sierra Remote Observatory in ...

Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth®, announced toda ...

AST SpaceMobile made history in April 2023 by completing the first two-way phone call via space on an unmodified cellphone. This milestone was achieved using its low Earth orbit satellite ...

Sierra Space’s ambitions to develop an alternative upper stage capability for the U.S. Defense Department have taken another step forward with the award of a $16 million U.S. Air Force Research ...