A company called Reflect Orbital wants to illuminate the Earth after sunset with orbital sky mirrors, raising alarm bells.

Good garden lighting ideas can completely transform an outdoor space. They will extend your evenings relaxing out on the patio, make tricksy garden paths safer to navigate, and stop you accidentally ...

You can use multiple light sources to charge solar lights, but they work best with sunlight, so it's almost always better to leave them out in the sun. They use the same technology as solar panels, ...

This activity is part of the Science Friday Sun Camp collection! For 4.5 billion years, the Sun has generated energy to power the solar system. Visible light is the most obvious form of that energy.