Pollen sunset over Austin, Texas

When you see concentric colored rings around a sunset, you might want to grab a tissue. This atmospheric phenomenon results from an abundance of uniformly sized pollen grains, drifting in the air.

Red sprites over the Andes

Photographer Yuri Beletsky captured red sprites flashing over the Chilean Andes Mountains.

Polar stratospheric clouds over Sweden

Northern Europe had an amazing display of these clouds this week.

Top 9 EarthSky images of 2019

Wow! This was a tough choice. Thank you to all who submitted photos in 2019! Here are a few of our favorites.

Photos of December 26 ‘ring of fire’ eclipse

The December 26, 2019, annular or 'ring of fire' solar eclipse was viewed across a narrow track that started at sunrise in Saudi Arabia and ended at sunset over the North Pacific Ocean.

Solstice sunrise over Monterrey, Mexico

Raul Cortes in Monterrey, Mexico, caught the solstice sunrise in a sequence of images on December 22, 2019.

Favorite EarthSky images of the season

These images are from members of our community. Thanks so much for sharing your images with us!

Hubble spots galaxy’s dramatic details

Hubble image of spiral galaxy NGC 5468.

Sunrise at the moon’s Bhabha crater

A day on the moon lasts about an earthly month, so dawn comes to each part of the moon only that often. In this view from NASA's Lunar Reconnaissance Orbiter, you can see a crater's central peak illuminated by sunlight, while the crater floor remains dark.

What to look for on a 1st quarter moon

For those of you with telescopes, or telescopic lenses, here's something to watch for on a moon just past 1st quarter.