Blue is always green for Austria-based fiber firm Lenzing, which just unveiled its latest venture in sustainable denim. Lenzing said its new Indigo Color technology for Tencel branded Modal fibers ...

Stephen Head, president of Lone Star College-North Harris, asked me not long ago what the sparrow-size, aqua-blue birds were that had shown up in his yard. He wasn't the only one who wanted to know.

Jan. 1—Indigo's deep midnight blue splashes and flows its way throughout the world and across history. Artists from Asia, Africa and the Americas have used indigo in various forms and techniques for ...

In a recent study about ancient ancestors, archaeologists elaborated on the earliest evidence of indigo dyeing, showing that people were grinding inedible plants for special uses nearly 34,000 years ...

Indigo is something of a mystery. It sits between the more familiar purple and blue of rainbows. And it’s the elusive center of Catherine E. McKinley’s “Indigo: In Search of the Color That Seduced the ...