New research suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for photosynthesis.

Here are a few of the more common meanings of the color purple, according to Morris and Leno. Leno says purple embodies a sense of adventure and reflects an upbeat energy. This can also spill into the ...

Amplify your landscape with big flowers. Check out the biggest blooms on the block that will make an immediate impact in your ...