From Lowell Observatory to Kitt Peak to Mount Graham, here are the 11 best planetariums and observatories in Arizona and ...

The center also offers live star talks, where astronomers guide guests through the current night sky, pointing out constellations and celestial events. Flandrau also has hands-on exhibits covering ...

Fountain Hills is getting closer to opening its International Dark Sky Discovery Center. The future 22,000-square-foot ...

Skywatchers from across the Northern Hemisphere have shared images of last night's display. Spaceweather.com's real ... Space ...

Advocates push for darker skies in Central Oregon, hoping to address Bend’s “sky glow” or ambient light pollution.

A rare double solar eruption fueled a spectacular display of the northern lights overnight — and more auroras could be on the way. Last weekend, two separate solar eruptions sent a pair of ...

Officials in Spain and Portugal were racing to restore electricity early Tuesday after a huge power outage that grounded ...

The air is cool, the high desert is nearly completely silent, and the Milky Way stretches like glitter across the sky ...