light

Several cosmic characteristics, including the lack of an atmosphere, lend space its dark color.

These incredible space photos were taken using advanced techniques to reveal some of the wonders in the universe.

This image is an example of the Munker-White illusion.

Microscopic worms called planarians can detect light with their bodies, after scientists removed the worms' heads.

Let us help shed some light on the many types of gooseneck lamps and how you might be able to use a few of them in your home or office.

Blue light lets you see invisible markings and chemicals, and night animals without disturbing them with a bright light. Here are the best blue light flashlights.

Engineers have created the whitest paint ever, and they think it can help fight a warming planet.

Octopuses can "see" light with their arms, even when their eyes are in the dark, researchers have found.

Scientists have discovered that platypus fur glows under ultraviolet light, in the first example of biofluorescence in egg-laying mammals.

Scientists have measured the shortest unit of time ever, the time it takes for a particle of light to cross a hydrogen molecule.