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Ancient theater of Aegira, Greece
Settled in the 3rd millennium BCE, Aegira - or Egira - once was a prosperous and important city of ancient Greece.
September 16, 2015
Night on Saturn
As on Earth - and the moon and all worlds in our solar system - night on planet Saturn is made by Saturn's own shadow.
September 15, 2015
The Lake of Life
Contemplating our home in the universe from the small island of Mors in Denmark.
September 14, 2015
Awesome week for auroras
Bright auroras reported at high latitudes over both the northern and southern ends of Earth this week.
September 13, 2015
ISS transits sun
Composite made from five frames shows the International Space Station (ISS) in silhouette as it transits the sun on September 6, 2015
September 12, 2015
Higher learning
School started this week for many. Here's a photo to celebrate the start of a new school year.
September 11, 2015
See it! Moon and Venus before dawn
Beautiful meeting of the moon and Venus before dawn today! See it here, in photos from the EarthSky community.
September 10, 2015
Night skies over Tibet
High above sea level - and far from light pollution - Tibet offers one of the most breathtaking night skies in the world. A collection of photos by Jeff Dai.
September 6, 2015
Venus in daytime on August 30
Venus appears as a crescent for the same reason the moon does. It's because, at times like now, its lighted side - or day side - is facing mostly away from us.
September 4, 2015
Giant sunspot AR2403
It didn't produce any X flares, but it was spectacular to view on the sun for six days, from August 21 to 26.
September 2, 2015
