CTV Edmonton: On Friday Jasper National Park was named the world’s largest dark-sky preserve by Canada’s environment minister Peter Kent. The 11 228 km² refuge, four hours west of Edmonton, in the Canadian Rockies, is 10 times the size of the next-largest designated area—Grasslands National Park in Saskatchewan. Dark-sky preserves are designated wilderness areas where strict lighting ordinances allow people to easily observe the night sky. Wilderness astronomy is a growing eco-tourism trend, where iPads and GPS-based star finders replace telescopes.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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