Our love affair with technology can wreck our vision and sleep, thanks to blue light. “The problem is that, with technology, we are being overexposed to blue light,” said ophthalmologist Dr. Rafael ...

"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

As the U.S. continues to wait for newer sunscreen ingredients, patients should use tinted sunscreens to protect against visible light that causes photodamage, melasma and hyperpigmentation, according ...

Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Temperamental' stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant planets, suggests a new study.

"Temperamental" stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...

A much touted emerging treatment, red light therapy, lives up to the hype for a lot of health claims, but certainly not ...

Using 20 years of data from the Hubble Space Telescope astronomers have discovered that turbulent stars could be corrupting ...

A research team at POSTECH has developed a novel multidimensional sampling theory to overcome the limitations of flat optics.