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Sun
Sun news: Solar stuff setting the stage for auroras tomorrow
Sun news August 27, 2026: The M7 flare's CME arrives tomorrow. G2 storms are possible, and coronal hole wind could spark auroras as early as tonight!
August 27, 2026
Constellations
Delphinus the Dolphin has a graceful kite shape
Delphinus the Dolphin is a tiny dolphin-shaped constellation that leaps out of dark skies near the iconic Summer Triangle.
August 27, 2026
Earth
Human World
Nepal flash flood nightmare: What caused it?
On August 26, 2026, a glacier collapse and landslide triggered a huge release of water. The Nepal flash flood wiped out villages and took untold lives.
August 26, 2026
Space
Could there be life in helium atmospheres on exoplanets?
Is life in helium atmospheres on exoplanets possible? A new study says that there are no barriers to life on worlds with helium-dominated atmospheres.
August 26, 2026
Space
‘Jellyfish’ on Mars: Image from Curiosity rover goes viral
A previously overlooked photo from the Curiosity rover shows an odd 'jellyfish' on Mars. Is it a real anomaly or an imaging artifact?
August 26, 2026
Astronomy Essentials
Deep partial lunar eclipse overnight tonight!
A deep partial lunar eclipse of the full Sturgeon Moon takes place on August 27-28, 2026. Will you be able to see it? Maps and details here.
August 26, 2026
Earth
National parks from space: How many can you name?
Take the quiz to see how many national parks from space you can name. And don't forget to celebrate National Park Week, from August 22 to 30!
August 26, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August and September
Visible planets and night sky guide: Tonight, look for the bright waxing gibbous moon passing through the arrowhead shape of Capricornus the Sea-goat.
August 26, 2026
Tonight
The return of Sirius in the morning signals seasonal change
A sign of the changing season is the return of Sirius before sunup. Want to make sure you've spotted Sirius? The 3 stars in Orion's Belt point to it.
August 26, 2026
Space
How earthly microbes on the moon might survive in the shade
Microbes on the moon that hitch a ride on human astronauts could survive by using little nooks and crannies for protection from the harsh environment.
August 25, 2026
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