With each passing night as, the crescent slowly widens and it begins to appear against a progressively darker background, its ...

Welcome to this month’s edition of “What’s up in the sky?” February has a nice lineup of planets and some eye-catching ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

making it an excellent time to observe Earth's "evil twin," as showcased in the stunning photos below. Josh Dury caught this gorgeous photograph of the moon and a brilliant star-pointed Venus from ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Blue Ghost ...