Artificial light at night extends pollen season and increases allergen exposure in Northeastern United States cities. Lin ...

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

Scientists have developed a way to generate tiny amounts of solar energy at night. It’s true potential could be in space.

Smart light control with the Lenovo Smart Clock used to be so easy: You’d swipe down from the top of the screen, and then ...

We talk with a NOAA scientist about the Northern Lights, and why their visibility seems to be increasing.

If you ever built a line following robot, you’ll be nostalgic about [Jeremy’s] light-seeking robot. It is a very simple build ...