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Sun
Sun news: Fast solar wind and sun stuff arrival
Sun news August 28, 2026: The coronal hole wind is arriving now, with the M7 flare's CME due later today. G2 storms and auroras are possible tonight!
August 28, 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 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 27, 2026
Space
Fastest star in the galaxy could unlock black hole secrets
Astronomers have discovered the fastest star in the galaxy. It orbits the supermassive black hole at the center of our galaxy and could reveal its spin.
August 27, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August and September
Visible planets and night sky guide: Tonight watch for the nearly total lunar eclipse, visible in the Americas, Europe and Africa.
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
Tonight
The Winter Circle: Catch in the morning before dawn
The majestic Winter Circle isn't a constellation. This giant circle - or hexagon - is an asterism, or a pattern made up of stars from several constellations.
August 27, 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
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
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