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 telescope may operate for 20 years, and it's off to a good start. Let's take a look at the best of Webb so far. Here, in no particular order, are 35 of the best Webb images we've seen to date. 1.

A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky ...

The opposite of a supermoon, a micromoon occurs when our celestial companion reaches the farthest point from Earth on its elliptical orbit ... Saturn, and Neptune will line up low in the eastern ...

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 ...