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M31: The Andromeda Galaxy

How far can you see?

M45: The Pleiades Star Cluster

Have you ever seen the Pleiades star cluster?

Rumors of a Dark Universe

Twenty-one years ago results were first presented indicating that most of the energy in our universe is not in stars or galaxies but is tied to space itself.

Star Forming Region NGC 3582 without Stars

What's happening in the Statue of Liberty nebula?

Jupiter Abyss

What's that black spot on Jupiter?

Astronomy Picture of the Day: Messier 2

After the Crab Nebula, M1, this giant star cluster is the second entry in 18th century astronomer Charles Messier's famous list of things that are not comets.

Astronomy Picture of the Day: M31: The Andromeda Galaxy

What is the nearest major galaxy to our own Milky Way Galaxy? Andromeda. In fact, our Galaxy is thought to look much like Andromeda.

Astronomy Picture of the Day: Highlights of the North Winter Sky

What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere.

Astronomy Picture of the Day: The Lagoon Nebula is Stars, Gas, and Dust

The majestic Lagoon Nebula is filled with hot gas and the home for many young stars.

Astronomy Picture of the Day: Highlights of the North Autumn Sky

What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere.

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