M31: The Andromeda Galaxy

How far can you see?

Recycling Cassiopeia A

Massive stars in our Milky Way Galaxy live spectacular lives.

The Large Cloud of Magellan

It is the most massive of the Milky Way's satellite galaxies.

Messier 61 Close Up

Image data from the Hubble Space Telescope, the European Southern Observatory, and small telescopes on planet Earth are combined in this magnificent portrait of face-on spiral galaxy Messier 61 (M61).

Millions of Stars in Omega Centauri

Globular star cluster Omega Centauri, also known as NGC 5139, is some 15,000 light-years away.

Nearby Spiral Galaxy NGC 4945

Large spiral galaxy NGC 4945 is seen edge-on near the center of this cosmic galaxy portrait.

Animation: Spiral Disk around a Black Hole

What would it look like to orbit a black hole?

Supernova Cannon Expels Pulsar J0002

What could shoot out a neutron star like a cannon ball?

Arp 87: Merging Galaxies from Hubble

This dance is to the death. Along the way, as these two large galaxies duel, a cosmic bridge of stars, gas, and dust currently stretches over 75,000 light-years and joins them.

Jupiter Engulfed and the Milky Way

This is a good month to see Jupiter.