April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

Enjoy dark skies for evening observing, then catch a meteor shower and a planetary conjunction in the morning sky this week.

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

The moon dims, the meteors fly, and the planets dance—these are the most exciting celestial events happening this month.

Though visually dynamic, it shows minimal star formation and hosts a massive but dormant black hole. The galaxy's unique hybrid structure—featuring traits of both spiral and elliptical ...