Closeup of the bright blue blooms of a mophead hydrangea - Kenwiedemann/Getty Images Hydrangeas are as fascinating as they are beautiful. The blooms of certain varieties act as a litmus test of the ...

The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see. When sunlight hits ...

How many of the world's lakes have blue water, as opposed to green, brown or some other color? What does a lake's color say about its health, and what causes lake color to change? Scientists know a ...

LAKE TAHOE, Calif. (KRON) — Mark Twain once described Lake Tahoe as “a noble sheet of blue water. It must surely be the fairest picture the whole earth affords.” The lake is blessed with beauty thanks ...

Some picturesque blue lakes may not be so blue in the future, thanks to climate change. In the first global tally of lake color, researchers estimate that roughly one-third of Earth’s lakes are blue.

Like many people, Amy Morin, a psychotherapist and author of “13 Things Mentally Strong People Don’t Do,” loves to be surrounded by the color blue. So much so, in fact, that she lives on a sailboat in ...

One of the significant metaphors among national security experts is the use of color to explain naval capability. Brown water describes nations that can only operate in their own river ways and ...

Geologists discovered a new blue water spring at Yellowstone National Park that likely formed after a series of "mildly explosive events," the United States Geological Survey said. The hole is about ...

Plastic water bottle caps are color coded based on the type of water: blue caps indicate "spring water"; black caps signify alkaline water; green caps signal flavored water, and white caps mean ...