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

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

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

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

The predawn hours of April 28 will see a planetary triangle form in the night sky, as Venus makes a close approach to Saturn following a conjunction, while Neptune, invisible to the naked eye, will ...

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 ...