The Gateway, NASA’s upcoming lunar space station, is one step closer to reality as engineers have successfully powered on its solar electric propulsion system, a spacecraft engine designed to orbit ...

When he wasn't designing warships, John Ericsson was dreaming up solar technology. The Swedish American inventor, credited with the screw propeller and the first ironclad vessel in the U.S. Navy, ...

China’s latest wave of solar mega‑factories is not just adding capacity, it is redefining the scale at which a single country can manufacture and install clean power. From desert complexes the size of ...