Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

Background: The use of light for its antidepressant action dates back to the beginnings of civilization. Three decades ago, the use of bright-light therapy (BLT) for treating Seasonal Affective ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

meaning displays of the Northern Lights at more southerly latitudes than are typical for at least the following year. Aurora results from charged particles from the sun — the solar wind ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

The night sky tonight and on any clear night offers an ever-changing display of fascinating objects you can see, from stars and constellations to bright planets, the moon, and sometimes special ...

“It occurred to me that if this funding cut happens, then we will no longer be able to get books to villages,” Founder of Bright Lights Book Project Alys Culhane said. The operation, based at the ...

Information on ultraviolet (UV) radiation is essential for our lives under the Australian sun. We have one of the highest levels of UV exposure and highest rates of skin cancer in the world. Sun ...

tap the sun icon in the corner of the options sheet at the bottom of the screen to toggle back to Light mode just for the background. What if you want to match a color from a background image?