As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

It may sound unbelievable, but reindeer eyes change from a blazing gold in the summer to a deep, dark blue in the winter.

Curious Kids is a series for children of all ages. If you have a question you'd like an expert to answer, send it to ... .</ ...

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint ...

Living organisms emit light due to biochemical reactions. This phenomenon raises the question of whether the electromagnetic ...

Webb discovered dozens of small, powerful galaxies from 800 million years ago that likely drove cosmic reionization by emitting strong ultraviolet radiation. Astronomers using data from NASA’s James W ...

Data from NASA's James Webb Space Telescope has revealed dozens of small galaxies that played a starring role in a cosmic ...

New research led by scientists at the American Museum of Natural History sheds light on the ancient origins of ...

Earth hasn't always been blue. It was once purple and even pink, as per some scientists. Research has shown that millions of ...

More specifically, with the Moon blotting out the main disk of the Sun, we can see details and features in the solar ...

For the first time, images of the Sun's south pole have been captured by a space probe. This unique perspective provides ...

What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...