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 ...

When you look up at the blue sky overhead or gaze across the seemingly endless expanse of a blue ocean, you might think that the color blue is common in nature. But among all the hues found in rocks, ...

People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

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 ...

It turns out that one of the colors we see in the world every single day is actually just a pigment of our imagination — er, sorry, figment of our imagination. Scientists say it's a sort of collective ...

First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re not alone. A new ...

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 ...