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Editors of EarthSky

An omega moonset’s continuous change

Meiying Lee in Taipei, Taiwan captured these images - and created this video - of the omega moonset on November 10, 2021.

Favorite moon and planet photos, November 5 to 10

Moon and planet photos from the EarthSky community. The planets in the evening sky are spectacular now and about to be more so!

Photos of November 3-4 auroras. Wow!

Aurora tour guide Markus Varik in Tromso, Norway, shares a collection of aurora photos from the CME impact, along with other photographers around the world.

Hunter’s Moon photos: Best of 2021

As autumn advances in the Northern Hemisphere, the Hunter's Moon illuminates the world for several nights around October 20. Hunter's Moon photos here.

Here are the 2022 Breakthrough Prize winners

2022 Breakthrough Prize winners made discoveries leading to Covid-19 vaccines, treatments for neurological diseases, and more precise quantum clocks.

Was Comet ATLAS a blast from the past?

Comet ATLAS was seen to break apart in 2020, while still relatively far from the sun. An astronomer thinks our early ancestors saw this comet.

2021 moon phases, with distances from Earth

2021 moon phases in a chart format. Dates closest to new moon provide the darkest skies and the best opportunities for stargazing and meteor-watching.

Mares’ tails over the Pacific Northwest

Mares' tails - aka cirrus uncinus clouds - are found high above Earth's surface, where the air is very cold. They might mean rain is on the way.

Thank you, Eleanor Imster

Say good-bye to Eleanor Imster, a fixture at EarthSky since 1995.

Love sea turtles? Here are 7 cool facts

Sea turtles are fascinating creatures. Learn some facts about these much loved marine reptiles.

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