A California startup wants to use giant orbiting mirrors to reflect sunlight onto Earth after dark. The first test satellite ...

California firm Reflect Orbital plans 4,000 reflectors to beam light over cities and power sites, alarming astronomers and dark-sky advocates.

Orbiting mirrors that can redirect sunlight have moved from science fiction concept to active business plan, promising brighter nights, more solar power and even new tools to fight climate change. The ...

However, future reflectors in the planned constellation could have mirrors up to 177 feet (54 m) across, which would likely create larger and more intense bright spots. Reflect Orbital said it can ...