Where else might life exist?

What are those colorful rings around the Moon?

Over 4000 planets are now known to exist outside our Solar System.

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

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

Put on your red/blue glasses and float next to asteroid 101955 Bennu.

This composite of images spaced some 5 to 9 days apart, from late April (bottom right) through November 5 (top left), traces the retrograde motion of ruddy-colored Mars through planet Earth's night sky.

That's not a young crescent Moon poised above the hills along the western horizon at sunset.

For 55 consecutive nights Mediterranean skies were at least partly clear this summer, from the 1st of July to the 24th of August 2018.

Bright enough for binocular viewing Comet 21P / Giacobini-Zinner stands out, even in this deep telephoto mosaic of the star cluster and nebula rich constellation Auriga the Charioteer.