Bothell’s Portal Space Systems working on an ‘unlock’ for the industry

Portal Space Systems, a Bothell-based startup, aims to harness the power of the sun to propel spacecraft, making it easier to ...
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Portal Space Systems brings its solar thermal propulsion system up to full power during test

Bothell, Wash.-based Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a vacuum chamber, marking a first for the commercial ...

Space Force's ATLAS Space Domain Awareness Software Is Working - Here's What It's For

The ATLAS software replaces a troublesome legacy suite to help the U.S. monitor satellites and debris in space and improve ...
SpaceNews

Space Force chief calls for speed over perfection in weapons buying

Chief of Space Operations Gen. Chance Saltzman speaks at the Air, Space & Cyber Conference at National Harbor, Md. Sept 23, 2025. Credit: U.S. Air Force NATIONAL HARBOR, Md. — The U.S. Space Force ...
GeekWire

Portal Space Systems brings its solar thermal propulsion system up to full power during test

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...