Flagstaff mandates that shielding be placed on outdoor lighting so that it doesn’t project skyward. There are also limits on the lumens of light allowed per acre of land.The result is a starry sky visible even from the heart of the city. Flagstaff’s Buffalo Park, just a couple miles from downtown, measures about a 4 on the Bortle scale, which quantifies the level of light pollution. (The scale goes from 1, the darkest skies possible, to 9, similar to the light-polluted night sky of, say, New York City. To...
President Trump has nominated Kathleen Sgamma, a professional advocate for the oil and gas industry, to run the Bureau of Land Management, an agency...
With TV cameras pointed at her, Felisa Wolfe-Simon began speaking at NASA Headquarters in Washington, D.C., on Dec. 2, 2010.“I’ve discovered — I’ve led...
On January 7, 2025, a powerful earthquake struck Tibet near Mount Everest, registering a magnitude of 7.1 according to the U.S. Geological Survey (USGS)...