by Mark Duggan | May 18, 2017
Durango, Colo. – Black bears in Colorado spend less time hibernating and living closer to human development. They still prefer nuts and berries over garbage. And their numbers are decreasing. Those are some of the key findings of a recently-concluded Colorado...
by Mark Duggan | Nov 4, 2013
Tucson, Ariz. – A recipe for how to make an 8.4-meter telescope mirror: Ingredient: About 44,000 pounds of glass chunks. Instructions: Load glass chunks into 27-foot diameter mold. Place mold in giant spinning oven and set for five revolutions-per-minute. Cook...
by Mark Duggan | Nov 25, 2012
Ian Cheney remembers when he first became interested in dark skies. He’d just moved from rural Maine to New York City and was amazed at how little of the night sky was visible. He could see celestial details in Maine, such as stars, planets, and the vast Milky...
