Snow isn't always white; algae can make it look green, red, or orange, and scientists are trying to understand how and why these colorful patches appear.

Discover Caño Cristales, Colombia's "River of Five Colors," a remote waterway that transforms from clear to vibrant hues ...

Worlds collide thanks to Rainbow Six Siege and Attack on Titan crossing over, blending the fantasy anime's world with the ...

Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, ...

Notable: Seattle is up to 54% to earn the No. 1 seed after beating the Panthers on Sunday, according to The Athletic's playoff predictor. If they beat the Niners on Saturday night, they'll win the No.