The new species, named Microeledone galapagensis, has a blue hue, which is believed to be the rarest color in nature.

Near the Galapagos, a submersible controlled by scientists came across a mysterious octopus as blue as the ocean and no bigger than a golf ball.

A mysterious little blue octopus discovered nearly 6,000 feet beneath the waters of the Galápagos Islands has officially been identified as a brand-new species. About the size of a golf ball, the tiny ...

A large swath of Earth’s oceans changed color over the past 20 years — and human activity is suspected to have caused it, a new study reports. That deep blue color depicted so richly in postcards is ...

What makes a room look expensive? Sometimes it’s the accessories, sometimes it’s the color. Paint does that faster than ...

The Devil Wears Prada made a cerulean sweater a moment in fashion history. But its scientific history is much older, and more fascinating. In the 1860s, cerulean pigment became popular among painters, ...