Additional photos of the rainbow clouds were taken by photographer Fredrik Broms, showcasing a colorful series of lights in the sky near Tromsø in Norway.Both sets of photographs can be viewed on ...

Night sky photographer Ruslan Merzlyakov captured a series of nightscape images in the early morning of July 1, 2016. With electric-blue clouds swirling overhead, the small town is illuminated and ...

Californians caught the sight of a lifetime when rare clouds recently illuminated the sky. Photographer Rain Hayes tweeted a photo on Dec. 16 of cobweb-looking wisps of clouds in the night sky in ...

The new Vera C Rubin Observatory in Chile will transform astronomy with its extraordinary ability to map the universe in ...

Aurora chaser and photographer Harlan Thomas ( @TheAuroraGuy) was about 18.5 miles (30 kilometers) north of Calgary along a ...

Scenes of nebulas in the Milky Way, a cluster of galaxies and thousands of new asteroids are a teaser of how the U.S.-funded ...