A bright star visible to the naked eye will vanish for up to an hour tonight, offering a rare and precisely timed demonstration of celestial mechanics as an asteroid passes directly in front of it, ...

If you look eastward at the same hour for two nights in a row, you’ll find that the stars seem to be in the same place. But they're not, and this movement becomes apparent if you continue observing at ...

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 ...

(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) ...