Portal Systems Is Planning To Use Sunlight To Move Spacecraft - Here's How

Getting things into outer space is hard, and moving around while you're up there can be harder, but one company thinks it might have a better way.
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 ...
GeekWire

Portal Space Systems opens its doors for a sneak preview of solar propulsion system

VIPs cut the ribbon at Portal Space Systems’ HQ in Bothell, Wash. From left: U.S. Rep. Suzan DelBene; Portal co-founders Prashaanth Ravindran, Jeff Thornburg and Ian Vorbach; and Bothell Mayor Mason ...
SpaceNews

MMA Space Launches FlexArray Solar Array System at 2025 Small Satellite Conference

BROOMFIELD, Colo., August 11, 2025 – MMA Space has developed a low-cost solar array capable of generating tens of kilowatts that can be manufactured in a fraction of the time of conventional solar ...
BGR

This Revolutionary Nuclear Rocket Might Be What Gets Us To Mars

A new kind of space engine could change how we explore the solar system, and it's powered by the same force that lights up the stars. A British startup called Pulsar Fusion is working on a nuclear ...
AFCEA

With a Nod to the Past, Space Systems Command Sees Bright Future

At the Los Angeles Air Force Base on October 18, the Space System Command (SSC), the U.S. Space Force’s acquisition arm, hosted a historic installation on its front lawn. The service placed the ...