Eagle Aurora over Norway

What's that in the sky? An aurora.

Birds During a Total Solar Eclipse

What do birds do during a total solar eclipse?

The Big Corona

Most photographs don't adequately portray the magnificence of the Sun's corona.

Noctilucent Clouds, Reflections, and Silhouettes

Sometimes it's night on the ground but day in the air. As the Earth rotates to eclipse the Sun, sunset rises up from the ground.

A View Toward M106

Big, bright, beautiful spiral, Messier 106 dominates this cosmic vista.

Strawberry Moon over the Temple of Poseidon

Did you see the full moon last night?

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 Planet and the Pipe

Now posing against our galaxy's rich starfields and nebulae, brilliant planet Jupiter shines in the night sky.

The Interstellar Clouds of Orion

The constellation of Orion is much more than three stars in a row.