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Editors of EarthSky

The Southern Cross: your guide to due south

There's no bright star marking due south from the Southern Hemisphere. But the Southern Cross points the way.

Will the Blaze Star explode in 2026? How to see it

We're still waiting for the Blaze Star to go nova! Will it happen in 2026? Here's how to find Corona Borealis so you're ready when this star goes kablooey.

Von Kármán vortices are mesmerizing, swirling clouds

See von Kármán vortices - mesmerizing, swirling pattern of clouds - in these satellite images. These clouds form when the wind hits a barrier like a mountain.

May birthstone: The magnificent green emerald

Happy birthday, May babies! The May birthstone is the emerald, a stone once worn by royalty in ancient Babylon and Egypt.

See great pics of Comet R3 PanSTARRS from our community

Comet R3 PanSTARRS is closest to Earth on April 26. See a cool image from a sun-watching spacecraft, and these fantastic community photos.

Seattle waterspout! What are waterspouts and how do they form?

See the Seattle waterspout that formed in Puget Sound on Wednesday. Then read more about waterspouts, which are essentially tornadoes over water.

Pareidolia is seeing things like faces in random objects

Seeing things such as a creepy face in satellite imagery is called pareidolia. Now, a new study says we're more likely to see angry men in random objects.

What is the Earth’s most distant spacecraft?

The most distant spacecraft from Earth is Voyager 1. Launched in 1977, Voyager 1 is a few billion miles farther from Earth than its sibling, Voyager 2.

Follow the arc to Arcturus, then speed on to Spica

If you only ever learn 1 star mnemonic, make it this one! Arc to Arcturus and speed on to Spica to identify 2 of the sky's brightest stars.

Watch sungrazing Comet MAPS break up near the sun

Sungrazing comet C/2026 A1 (MAPS) apparently didn't survive its close encounter with the sun. Watch the apparent breakup in spacecraft images!

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