On a frosty day in early January, as Berlin’s trees and shrubs lie in deep dormancy, it’s hard to imagine it being much ...

So unharvestable and priceless, this night-blooming cactus flower wilts soon after blooming, making it one of the rarest ...

The Sandhills region of North Carolina is the only place in the world where bees produce purple honey, and experts have no ...

Biologists waded through knee-high vegetation in Florida until they reached a spot where purple flowers grew in cone ... "This handsome butterfly is now rare or has disappeared from most of ...