Omega Centauri is the Milky Way’s largest star cluster

The Milky Way's largest globular star cluster, Omega Centauri, contains about 10 million stars, but probably no life.

The Coma Cluster contains thousands of galaxies

Myriads of galaxies, visible only to those with medium-to-large telescopes, shine among the stars in the "Realm of the Galaxies." Study of the Coma Cluster of galaxies aided in the discovery of dark matter.

The beautiful abundance of Rho Ophiuchi

One of the most colorful regions of the sky, Rho Ophiuchi showcases clusters and nebulae galore.

Come to know Pleiades star cluster, aka Seven Sisters

The Pleiades star cluster - aka the Seven Sisters or M45 - is visible from virtually every part of the globe. It looks like a tiny misty dipper of stars.

The Large Magellanic Cloud, our galactic neighbor

The Large Magellanic Cloud is a petite galaxy visible with the unaided eye - all year round - for those in the Southern Hemisphere. This small neighboring galaxy to the Milky Way is somewhere between spiral and irregular in shape.

What is the Orion Nebula?

You can see the Orion Nebula as a fuzzy spot on the night sky dome. It's really a vast cloud in space where new stars are forming. How to find the Orion Nebula in your sky tonight. Plus ... the science of this star factory in space.

See Messier 20, the Trifid Nebula

If you have an extremely dark sky, you can see the nebula on as a fuzzy patch in the Milky Way. Binoculars show more ... and a telescope still more.

Messier 11 is the Wild Duck Cluster

Messier 11 is a faint cluster of stars in a star-rich region of the night sky, in the direction of the heart of our Milky Way galaxy.

Find M4 near the Scorpion’s Heart

If you've never found a deep-sky object on your own before, M4 - a globular star cluster, one of the nearest to our solar system - is a grand place to start. It's near the bright red star Antares in the easy-to-spot constellation Scorpius the Scorpion. To spot it, you'll need a dark sky.

The awesome beauty of the Eagle Nebula

The Eagle Nebula - aka Messier 16 or M16 - is home to several well-known cosmic structures, including the stunning Pillars of Creation and Stellar Spire.