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Constellations
Scorpius the Scorpion and its legendary stinger
The southernmost constellation of the zodiac is Scorpius the Scorpion. It's easy to spot on July evenings from most of the globe. It has a distinctive J shape.
July 10, 2026
Moon Phases
What is a waning crescent moon?
You'll find a waning crescent moon in the east before sunrise. It's waning toward new moon, when the moon will be between the Earth and the sun.
July 10, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for July
EarthSky's visible planets and night sky guide. Tomorrow morning, look for the crescent moon close to the Pleiades and red Mars. Ruddy Aldebaran is nearby.
July 10, 2026
Space
Euclid finds the most ancient quasars in the universe so far
The Euclid space telescope has discovered 31 new quasars, including the 2 most distant and most ancient quasars yet known.
July 9, 2026
Space
Warped spacetime reveals exoplanet far from its star
The Gaia and TESS space telescopes have discovered a distant Jupiter-like world - Gaia23bra b - by studying warped spacetime.
July 9, 2026
Space
Apophis: From scary asteroid to a rare science opportunity
In just 3 years, asteroid Apophis will zoom safely past Earth. This much-anticipated event is a must-see! Here's how you can see it with your own eyes.
July 9, 2026
Sun
Sun news: Is the quiet sun awaiting a big blast?
Sun news July 10, 2026: Solar activity dropped to very low levels as sunspot region AR4482 lost its delta complexity. What's next?
July 9, 2026
Earth
Atlantic hurricane season forecast updated due to El Niño
Colorado State University, one of the 2 organizations that make Atlantic hurricane season forecasts, has now revised its forecast downward for 2026.
July 9, 2026
Constellations
Tonight
Corona Borealis, the Northern Crown, is overhead now
Corona Borealis, aka the Northern Crown, looks like the letter C. A dark sky is best for seeing this faint semicircle of stars. It's between Arcturus and Vega.
July 9, 2026
Space
Nearby super-Earth GJ 3378b may be a good candidate for life
Astronomers have gotten a closer look at the nearby super-Earth GJ 3378b. It could be habitable, if it has an atmosphere.
July 8, 2026
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