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Sun
Sun news: Sun-stuff could reach Earth tonight
Sun news July 13, 2026: A burst of sun-stuff fired on Friday could graze Earth late today. Yesterday's geomagnetic storm might get an encore.
July 13, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for July
EarthSky's visible planets and night sky guide. The new moon occurs tonight. The dark, moonless nights around it are among the best for stargazing.
Human World
4th batch of Pentagon UAP files: ‘Floating brain’ goes viral
The 4th batch of the Pentagon UAP files has just been released. The files range from a "floating brain" video to more historical documents, including from NASA.
July 12, 2026
Constellations
See 3 small constellations near the Summer Triangle
You need a dark country sky to see these 3 small constellations: Vulpecula, Delphinus and Sagitta. They are all near the Summer Triangle.
July 12, 2026
Astronomy Essentials
The total solar eclipse of August 12, 2026
On August 12, 2026, a total solar eclipse will be visible from the Arctic, Greenland, Iceland, and Spain. And western Europe will see a partial eclipse.
July 11, 2026
Human World
It’s time for Manhattanhenge, part 2! Here’s how to see it
Each year around May 28 and July 11, New Yorkers watch for Manhattanhenge, an alignment of the sunset along city streets. Here's how to see it.
July 10, 2026
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
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
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