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Bright Procyon: The Little Dog Star in Canis Minor
The Dog Star, Sirius, is easy to spot because it's the sky's brightest star. Procyon - the other Dog Star - is near its brighter brother on the sky's dome.
January 10, 2024
5 solar eclipses that changed our view of the world
Throughout history, total solar eclipses have blazed a path for science. Learn more about 5 solar eclipses that changed our view of the world.
January 9, 2024
What are X flares? Can they harm us?
X flares on the sun are the most powerful explosions in the solar system. We're likely to see more of them as we approach solar maximum, possibly due this year.
January 7, 2024
True colors of Uranus and Neptune in newly processed images
Researchers at the University of Oxford in the UK have determined the true colors of Uranus and Neptune. They are much more similar than previously thought.
January 7, 2024
Weather on distant planet Tylos! Watch here
With 3 years of data, astronomers using the Hubble telescope say they've simulated weather patterns on distant planet Tylos some 800 light-years away.
January 5, 2024
The ESPRESSO planet-hunter looks at Jupiter
For the 1st time, astronomers have used an instrument designed to study exoplanets - ESPRESSO, on the Very Large Telescope - to observe the planet Jupiter.
January 5, 2024
Media we love: Planet Earth, Past and Present
Learn about Michael Carroll's book Planet Earth, Past and Present. The richly illustrated book looks at history, habitability, our solar system and more.
January 4, 2024
See a year of young moons in this photo composite
A young moon is when a thin crescent appears in the evening sky just after new moon. Enjoy this beautiful composite image of the 12 young moons of 2023.
January 3, 2024
Deep-sky photos for December 2023: Editor’s picks
Enjoy December 2023's gallery of editor's picks of deep-sky photos from our EarthSky community. If you have a photo to share, submit it to us!
January 3, 2024
Jupiter’s moon Io as you’ve never seen it
On December 30, 2023, the Juno spacecraft visited Jupiter's moon Io. It was the closest flyby of the volcanic moon in 20 years. See the images here.
January 3, 2024
