Inside the McDonald Observatory’s mission to preserve the darkest skies in West Texas

Inside the McDonald Observatory’s mission to preserve the darkest skies in West Texas

Bill Wren remembers the night sky rising like wallpaper above him when he was a child in rural Missouri. But after a move to Houston in 1970 when he was 15, lights from the city’s sprawl obscured all but a few stars. It wasn’t until he was 21 years old, on a camping...