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Astronomy Picture of the Day: Comet, Heart and Soul

The greenish coma of comet 21P/Giacobini-Zinner stands out at the left of this telephoto skyscape spanning over 10 degrees toward the northern constellations Cassiopeia and Perseus.

Astronomy Picture of the Day: Moon, Mars, and Milky Way

Just two weeks ago, dark skies over the desert in northern Iran held this alluring celestial vista.

Lunar Eclipse Over Mt.Damavand

Here's a photo sequence of the total lunar eclipse of July 28th, 2018, taken from Nandal, in northern part of Mount Damavand.

Astronomy Picture of the Day: Noctilucent Clouds over Paris Fireworks

It's northern noctilucent cloud season -- perhaps a time to celebrate!

Astronomy Picture of the Day: A Northern Summer's Night

Near a summer's midnight a mist haunts the river bank in this dreamlike skyscape taken on July 3rd from northern Denmark.

Astronomy Picture of the Day: Charon: Moon of Pluto

A darkened and mysterious north polar region known to some as Mordor Macula caps this premier high-resolution view.

Astronomy Picture of the Day: The East 96th Street Moon

A very full Moon rose over Manhattan's Upper Eastside on June 28, known to some as the Strawberry Moon.

Astronomy Picture of the Day: Highlights of the Summer Sky

What can you see in the night sky this summer?

Astronomy Picture of the Day: Northern Lights and Noctilucent Clouds

Skies after the near-solstice sunset on June 17 are reflected in this calm lake.

Astronomy Picture of the Day: Mars Engulfed

What's happened to Mars? In 2001, Mars underwent a tremendous planet-wide dust storm

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