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 ...

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 ...

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 ...

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 ...

WMBF reports beaches across the Grand Strand have been looking a lot like the Caribbean, thanks to a natural blue water phenomenon. Over the last few weeks, the ocean has been clearer, leaving many ...

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 ...