"Why are there so many songs about rainbows?" sings Kermit the Frog in a song (about rainbows) called "Rainbow Connection" from 1979's "The Muppet Movie." And it's not just songs that feature rainbows ...

Sexual minorities and their supporters lauded the decision, but the order against wearing rainbow colors in the courtroom left them frustrated. “We have caused no problem by wearing rainbow ...

Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...