White light can be blinding, cold, unforgiving. Our physical reality often finds it too much as well, splitting it apart any chance it gets. Plants are green because such wavelengths of light help it ...

SAN FRANCISCO — At sunrise and sunset, only ROY shows up for rainbow duty—G and BIV don’t appear for the earliest and latest color shows in the sky. Rainbows, it seems, are far more complex than the ...

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 ...