The light blue spiral resembling a galaxy to some appeared mixed in the aurora for a few minutes early Saturday. While some on social media wanted to link it to an alien invasion, the cause of the ...

From miles above the Earth, a plankton bloom off the coast of Alaska looks like a giant swirl of pearly green and blue paint. Captured in a satellite image that NASA released Friday (Jan. 9), the ...

If you're tired of red nail theory, neutrals, nudes, and neons, consider a blue nail design instead. From baby blue to dusty blue, cerulean to cobalt, and royal blue to navy, blue manicures are a ...