The findings of a new study about communication between birds also offer key insights into the origins of language.

There are certain sounds that haunt the southern highlands. Wind sighing in the high spruce-fir. The ongoing, ever-changing, yet-eternally-the-same murmurs of a creek. And then there are the forlorn ...

California is one of the largest states in the United States and one of the largest sub-national economies in the world. Indeed, it’s like a country all its own, full of thriving industries, ...