Milky Way over Pyramid of the Feathered Serpent

To see the feathered serpent descend the Mayan pyramid requires exquisite timing

Unusual Mountain Ahuna Mons on Asteroid Ceres

What created this unusual mountain?

Stereo Helene

Get out your red/blue glasses and float next to Helene, small, icy moon of Saturn.

NGC 4676: The Mighty Mice

These two mighty galaxies are pulling each other apart.

The Colors and Magnitudes of M13

M13 is modestly recognized as the Great Globular Star Cluster in Hercules.

Spiral Galaxy M96 from Hubble

Dust lanes seem to swirl around the core of Messier 96 in this colorful, detailed portrait of the center of a beautiful island universe.

The Cave Nebula in Infrared from Spitzer

What's happening in and around the Cave Nebula?

Jupiter Abyss

What's that black spot on Jupiter?

A Triangular Shadow of a Large Volcano

Why does the shadow of this volcano look like a triangle?

On the Beach with Mars

At the end of last year's northern summer, after its dazzling opposition, Mars still shone brightly in the night.

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