I learned in October 2022’s Breakthrough that the spikes of stars in high-power photos are called diffraction spikes. Why do they appear as two crosses at 45 degrees to each other? The diffraction ...

Even though summer has long passed, one of its most interesting sky markers can still be seen in the evening sky of the Northern Hemisphere. The Summer Triangle, a striking pattern made of the stars ...

As a space scientist, every time I go outside with my family, I tell my children to look up at the sky. The front door of our home looks southeast, and on winter nights the constellation Orion hangs ...

Add Yahoo as a preferred source to see more of our stories on Google. Stars near the north celestial pole circle the North Star, Polaris. Photographed in the Eastern Sierra Nevada, Calif. Vahé ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Vahe Peroomian, USC Dornsife College of Letters, Arts and Sciences (THE CONVERSATION) ...