CLARENCE, N.Y. — "Everything's connected, the cause and effect. One thing disappears, it's going to have an effect somewhere down the line. You might not see it right away," said David O'Donnell, ...

Scientists have confirmed that the Atlas blue butterfly carries the most chromosomes of any animal, with 229 pairs. Unlike duplication, its chromosomes split apart, reshaping its genome in surprising ...

This article was originally published in High Country News. From the top of Pigeon Butte in western Oregon’s William L. Finley National Wildlife Refuge, the full width of the Willamette Valley fits ...

Four rare butterfly species have fluttered into view during my continuing quest to photograph the endangered Mount Charleston blue butterfly. Forest-sent consolation prizes that I can’t complain about ...