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...
NASALocation, location, locationAnd finally, bed again, and time to rest after a day in a noisy environment (fans run constantly to disperse pockets of...
Getty ImagesElon Musk wants his new rocket to revolutionise spaceflight. And that rocket, Starship, is now the largest and most powerful spacecraft ever built.It’s...
U.S. telecom giants are under constant attack from Chinese hackers. A federal investigation has uncovered a massive cyber espionage campaign by the Chinese...
From 21 October until 1 November, delegates are meeting in Cali, Colombia to take stock of national pledges to protect nature, amid concerns countries...
Toronto — Beaches across Canada's far northeast Newfoundland and Labrador province have increasingly been littered with mysterious white blobs. Their appearance has so far befuddled...