Scientists have recently uncovered portal-like structures in space that could revolutionize our understanding of the universe. These findings, rooted in advanced astronomical observations and ...

Portal is led by Jeff Thornburg, the chief architect of SpaceX's Raptor engine. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A spaceflight ...

The era of stationary spacecraft may soon be over. Portal Space Systems, a company headed by propulsion expert Jeff Thornburg, is looking to help usher in a new renaissance in in-space transportation ...

Portal Space System's Supernova uses sunlight to power a thermal propulsion system that can allow spacecraft to move rapidly between orbits. Credit: Portal Space Systems PARIS — Portal Space Systems ...

Editor’s note: This series profiles six of the Seattle region’s “Uncommon Thinkers”: inventors, scientists, technologists and entrepreneurs transforming industries and driving positive change in the ...

Portal Space Systems plans to launch its first Starburst spacecraft in late 2026. Credit: Portal Space Systems WASHINGTON — Portal Space Systems says it will develop a highly maneuverable satellite ...

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 ...