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What’s a globular cluster? The Milky Way has about 150
A globular cluster is a spherical collection of stars orbiting in the halo of spiral galaxies. Our own Milky Way galaxy has over 150 globular clusters.
August 29, 2025
See the Trifid nebula aka Messier 20 tonight
If you have a dark sky, you can spot the Trifid nebula as a fuzzy patch within the Milky Way. And binoculars or a telescope will reveal more details.
August 28, 2025
Zodiacal light: Start watching for it now
The zodiacal light is an eerie light extending up from the horizon before dawn around the Northern Hemisphere autumn. Southern Hemisphere? Look after sunset!
August 22, 2025
Rare Black Moon coming August 22-23! Why so special?
We'll have a Black Moon on August 22-23, 2025. A Black Moon is a special kind of new moon. Learn more about Black Moons here.
August 19, 2025
You will love these planet-observing tips
Get our top tips for planet-observing, from the innermost and elusive Mercury out to faint blue Neptune and everything in between. Top tips here!
August 7, 2025
See the Venus-Jupiter conjunction on August 12
A conjunction is when 2 objects share the same right ascension. The Venus-Jupiter conjunction of August 12 is a great one for observation!
August 2, 2025
Epsilon Lyrae is the famous Double Double star
To the unaided eye, Epsilon Lyrae appears as one star. But it’s actually a system with at least five stars. Learn how to find it here.
July 2, 2025
Blazing daylight fireball reported over U.S. Southeast!
Several reports were posted on social media of a rare daylight fireball that was seen over several southern states in the U.S. on June 26, 2025.
June 26, 2025
Latest sunsets follow the summer solstice
Why don't the latest sunsets come on the longest day (the solstice)? In a nutshell, it's a discrepancy between the sun and the clock.
June 24, 2025
What’s your personal solstice? Images and stories from our community here
The solstice is a whole-Earth event. Enjoy these June solstice stories and images from the EarthSky community. And happy solstice!
June 20, 2025
