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 ...

Alex Knapp is a Forbes senior editor covering healthcare and science. Over the past decade, solar power has become the cheapest way to produce electricity. But its biggest challenge is that sometimes ...

Some of you may remember devouring those paperbacks with lurid, futuristic covers, imagining the worlds conjured up by Isaac Asimov, Arthur C. Clarke, Robert Heinlein, and Ray Bradbury: the planetary ...

Space-based solar power represents a transformative shift in renewable energy, capturing sunlight in orbit and transmitting electricity to Earth continuously. Orbiting photovoltaic arrays receive ...

Space-based solar power, a long-envisioned technology, is gaining momentum as a crucial solution to meet growing energy demands and achieve decarbonization targets. This technology offers significant ...

Overview AI’s excessive power consumption is pushing data infrastructure beyond Earth’s physical limits.Falling launch costs make orbital computing experiments ...