Ammolite comes from the fossilized shells of extinct squidlike critters called ammonites. Scientists knew the secret to the fossils’ flamboyant appearance lay somewhere in their layers of nacre, or ...

Soar through the sky and witness stunning rainbows arching over breathtaking landscapes with this mesmerizing drone footage.

There are a couple of different ways that cloud inversions can produce optical effects, explains one of our readers ...

Photoshop CC 2014 tutorial showing how to quickly and easily add realistic rainbows to your outdoor photos. Photos provided ...

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

A "rainbow wave" that lifted record numbers of LGBTQ+ candidates to victory in the U.S. midterms is a promising sign of ...