The startup Reflect Orbital aims to keep solar farms running at night by reflecting sunlight from space and has sparked ...

The hemispheric symmetry in spreading reflected light took a hit recently, and the reflection of much less light than before ...

Introduces the concept of light through the character Ray, a personification of light beams. Ray explains the origins of light, its crucial role in visibility, and how it interacts with various ...

Do rainbows exist on distant worlds? Many phenomena that happen on Earth—such as rain, hurricanes, and auroras—also occur on other planets in our Solar System if the conditions are right. Now we have ...