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.
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.
Astronomy Essentials
Tonight

Visible planets and night sky guide for July

EarthSky's visible planets and night sky guide. Tomorrow morning, watch in the east before dawn to see the thin waning crescent moon, glowing with earthshine.
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.
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.
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.
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.
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.
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.
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.

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