It may sound far fetched, but we have it under good authority that art is starting to grow on trees. They line our parks, maintain our industries and sustain our existence. And trees’ role in public ...

Denver gets ribbed for its fixation on blue public art – the curious blue bear that welcome visitors at the convention center and the demonic rearing horse at the airport both evoke controversy, each ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...