The new year arrived not only with fireworks, but with displays of aurora across the world at much more southerly latitudes ...
"This discovery poses a challenge to the Lambda Cold Dark Matter model, which may struggle to account for the formation of such small, aligned groups of galaxies in isolated environments." ...
The Grand Canyon harbors a healthy population of bighorn sheep, but they are most likely seen while hiking deep into the ...
Researchers from the vacation rental website Lake.com viewed data from the National Park Service’s Night Sky Data Collection ...
From dance parties to fancy dinners to balloon drops for kids, here's what's happening in Tucson on New Year's Eve.
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