Fall colors in Siberia, from space

Check out this satellite image showing fall foliage in eastern Siberia on September 9. A smaller section and a broader view.

Early autumn rainbow

Rainbow arching over the White River National Forest in Summit County, Colorado.

Ancient theater of Aegira, Greece

Settled in the 3rd millennium BCE, Aegira - or Egira - once was a prosperous and important city of ancient Greece.

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.

The Lake of Life

Contemplating our home in the universe from the small island of Mors in Denmark.

Awesome week for auroras

Bright auroras reported at high latitudes over both the northern and southern ends of Earth this week.

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

Higher learning

School started this week for many. Here's a photo to celebrate the start of a new school year.

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.

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.