The Annotated Galactic Center

The center of our Milky Way galaxy can be found some 26,000 light-years away toward the constellation Sagittarius.

Saturn Behind the Moon

What's that next to the Moon?

Perseid Meteors over Slovakia

Tonight is a good night to see meteors.

Strawberry Moon over the Temple of Poseidon

Did you see the full moon last night?

The Conjunction of the 46p/wirtanen comet, the hyades cluster and the Pleiades cluster

Astronomy Picture of the Day: Gibbous Moon beyond Swedish Mountain

This is a gibbous Moon. More Earthlings are familiar with a full moon, when the entire face of Luna is lit by the Sun, and a crescent moon, when only a sliver of the Moon's face is lit.

Astronomy Picture of the Day: Summer to Winter Milky Way

Taken near local midnight, this autumn night's panorama follows the arch of the Milky Way across the northern horizon from the High Fens, Eifel Nature Park at the border of Belgium and Germany.

Astronomy Picture of the Day: Launch of the Parker Solar Probe

When is the best time to launch a probe to the Sun?

Astronomy Picture of the Day: Road to Mars

What's that light at the end of the road? Mars.

Astronomy Picture of the Day: Highlights of the Summer Sky

What can you see in the night sky this summer?