Watch: This photographer's footage of a double rainbow, as seen from a trail in the Golden Gate National Recreation Area, ...

Go beyond the ordinary with rainbow mountains—nature’s boldest ... and purples—plus hot springs await tired hikers beneath the Arctic sky. It’s Iceland at its quirkiest.

Pilots are indeed glorious for flying us non-pilots across the world high in the sky in massive husks of metal. But have you heard of Pilot's Glory, the beautiful and rare rainbow phenomenon?

Have you ever seen a rainbow in the sky? Rainbows happen when sunlight passes through raindrops in the sky. When this happens, light becomes separated into a rainbow of colors—red, orange ...

Millions of kids grew up watching Reading Rainbow, and in the new documentary Butterfly In the Sky, available now on Netflix, we can relive those childhood memories.The show is a loving history of ...

Thursday, April 3rd, is National Find a Rainbow Day. Hawai'i, the "Rainbow Capitol of the World," is known for its vibrant Ānuenue (rainbows), but climate change threatens their future. A ...