NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just two stars. An international team was able to determine the location and ...

Students and faculty at BYU’s Department of Physics and Astronomy understand the value of the stars, and they dedicate their ...

Italy's Mount Etna has erupted in spectacular fashion, sending ash, gas, and other volcanic material high into the sky above Sicily. Watch footage of the eruption.

From Lowell Observatory in Flagstaff to Mount Lemmon near Tucson, here are the most recommended locations places for ...

Mount Lemmon SkyCenter Observatory The Mount Lemmon SkyCenter Observatory, at 9,157 feet in the Santa Catalina Mountains near Tucson, offers some of the clearest and darkest skies in the region.

Easter is around the corner, and as the weather warms up, some Tucson families are heading up to Mount Lemmon for the weekend to escape the heat.

Planning a trip to Arizona? I’m quite sure the Grand Canyon probably features on your itinerary as it is probably the most ...

Mount Washington Observatory records days of brutally cold sub-zero temperatures Beginning of dialog window. Escape will cancel and close the window.

The blaze threatened the observatory and communications infrastructure at the peak. Later, an observatory official said it appeared to be under control.

Jay Broccolo, left, the director of weather operations at the Mount Washington Observatory, poses for a photo Thursday with Keith Garrett, the Observatory’s director of technology, and a mesonet ...

Mount Lemmon, Rose Canyon Lake, The Other Way, Karla Osete, Steve Kozachik – The Daily Run. This week on Arizona Illustrated…we explore many of the wonders of Mount Lemmon including Rose ...