A microscopic close-up of soap bubble film showing iridescent rainbow patterns and swirling colors, with a soft scientific or abstract background emphasizing light and texture.

DENVER — The Front Range bid farewell to a rainy weather pattern Tuesday evening with a round of double rainbows. One thing you may have noticed, if you were lucky enough to spot one, was that the ...

Ever heard of the coveted blue rose? There's no such thing — at least without some genetic manipulation, since roses normally lack the gene required for blue pigmentation. A rainbow tree, on the other ...