A new Cornell University study offers clearer details on how much shade New York City trees provide. The researchers found that not all trees throw the same shade – even when they’re the same size.

Cities are living organisms — constantly growing, shifting, and reshaping themselves around the people who inhabit them. But not all parts of a city grow evenly. One of the clearest indicators of ...

Sixty miles east of Winslow, on the windswept plains of the Painted Desert, maroon-colored Triassic fossils recall a forest more than 200 million years old. Felled logs of the ancient conifer species ...