On Feb. 24, 2026, inside a vacuum chamber at NASA’s Jet Propulsion Laboratory in Pasadena, California, a prototype thruster ...
Jeff Thornburg helped turn a government research project into SpaceX’s most powerful rocket engine. Now, he’s trying to do the same thing at his startup Portal Space Systems, which is taking an idea ...
On February 24, 2026, inside a vacuum chamber at NASA’s Jet Propulsion Laboratory in Pasadena, California, engineers ignited ...