Evolution has long been viewed as a rather random process, with the traits of species shaped by chance mutations and environmental events — and therefore largely unpredictable. But an international ...

A recent surprise in my garden was the first appearance of a striking blossom that I had not seen previously and did not expect. It is featured among today’s images. The blossom was from a plant ...

Q. Most examples of unusual wildlife are animals. Which plants do you think are notable, or at least interesting, in some way? A. I have received this question before, the first time being from Joab ...