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 ...
Ars Technica

Here is NASA’s plan for nuking Gateway and sending it to Mars

NASA’s announcement Tuesday that it will “pause” work on a lunar space station and focus on building a surface base on the Moon was no big surprise to anyone paying attention to the Trump ...
Space.com on MSN

NASA is making a powerful new ion engine to send astronauts to Mars

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...
TechCrunch

This founder helped build SpaceX’s most powerful rocket engine. Now he’s building a ‘fighter jet for orbit.’

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 ...