One of the best things about earth tones—and perhaps another aspect of their popularity—is that they're incredibly easy to ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising temperatures are once again causing the world’s oceans to turn green.

What does a flower look like to a hummingbird? New research says it’s probably nothing like what humans perceive, because ...

Today, the world's oceans appear deep blue, contrasting with the light blue color of the sky ... which would have made Earth look green from a distance. Over the green-ocean period, the ...

You probably spotted many people wearing green on Monday in honor of St. Patrick’s Day, but green is a popular color all year round because it tends to spark positive emotions.

Billions of years ago, our planet did not have the deep blue oceans we admire today. Instead, they were actually […] ...

Viewers in Fairbanks, Alaska captured the northern lights, or the aurora borealis, on video Sunday, showing vibrant green colors rippling across the sky.

Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...