Even if there are windows in a room, the amount of light is very low.  Fortunately, there are relatively cheap LED options ...

The Secret Behind Light's Journey Through Space Visible light travels in electromagnetic waves, which we see as the colors of ...

Spring is galaxy season for many amateur astronomers. However, when looking through an eyepiece instead of a camera for astrophotography, you might think of this as the season of pale gray smudges ...

For the last few years, general scientific consensus has suggested the blue light spectrum coming out of our modern devices can significantly disrupt our circadian rhythms. To balance this, many ...

Blue light is good for your body during the day, but exposure to blue light at night can cause mild to more severe health effects.

Phytoplankton is the basic food source for many aquatic organisms. A new study shows that the light spectrum is more important for these microalgae and for lake ecosystems than previously assumed.

While humans possess three kinds of color-sensitive cones, birds have four. This is an Inside Science story. Hummingbirds can see colors humans can only imagine, an ability that now sheds light on an ...

During a total solar eclipse, people may see some strange things. Sure, there’s the main event happening in the sky (SN: 1/4/24). But the world may also look a little different on the ground. For a ...