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Venus and Saturn before sunrise
Saturn is becoming easier to see before dawn, below Venus in the east. Soon, all five visible planets will appear in the dawn sky simultaneously.
December 27, 2015
Amazing airglow over Atacama Desert
The sun's ultraviolet radiation excites atoms some 50 miles (80 km) or more high in Earth's atmosphere. When the atoms release the energy, the atmosphere glows.
December 25, 2015
Long midday shadows, near solstice, in Greece
Noontime sun near the December solstice, over the Acropolis in Athens, Greece. Notice how long everyone's shadow is.
December 22, 2015
Saturn, returning before dawn
An early capture of the planet Saturn, which passed behind the sun on November 30, 2015 and has now returned to the predawn sky.
December 21, 2015
Look for elusive Mercury
The sun's innermost planet is back in the evening sky. Watch for it in the west, as soon as the sky begins to darken.
December 18, 2015
Report from Zimbabwe: Double sunset
A photo of rare sunset, only seen when the sun is low in the sky and likely a result of reflection by ice crystals.
December 17, 2015
See it! 2015 Gemind meteor shower photos
Thanks to all in the EarthSky community who posted! To submit your photo, click the Submit Images button at the top of any EarthSky page.
December 15, 2015
Rare and beautiful Lowitz arc
The Lowitz arc is associated with the common 22-degree halo often seen around the sun or moon. It's rare, faint and fleeting.
December 9, 2015
Amazing photos of moon and Venus
Throughout the day on Monday, as the hours ticked by, the moon moved closer to Venus and ultimately passed in front of it. More photos!
December 7, 2015
