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Earth
Human World
Space
1st photo of Earth from the moon 60 years ago
As NASA plans to land astronauts on the moon with the Artemis IV mission in 2028, it's fun to see this 1st photo of Earth taken from the moon.
August 23, 2026
Constellations
Sagittarius the Archer is home to deep-sky wonders
The zodiacal constellation Sagittarius the Archer contains the center of the Milky Way and a famous asterism known as the Teapot.
Sun
Sun news: Flare activity low, but potential remains
Sun news August 23, 2026: Only C flares today, but complex AR4513 keeps simmering near disk center. A CME flank could graze Earth around August 24.
August 23, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August
Visible planets and night sky guide: The gibbous moon hangs near the Teapot of Sagittarius tonight. Block the moon's light to see the stars of the Teapot.
August 22, 2026
Space
A first! 3 supermassive black holes discovered in 1 galaxy
For the first time, astronomers have discovered 3 supermassive black holes in a single galaxy in the early universe. Two of them are merging!
August 21, 2026
Space
Voyager 2 confirms Neptune’s rings on August 22 in 1989
NASA's Voyager 2 confirmed the discovery of Neptune's rings on August 22, 1989, when it took images of a faint, continuous ring system around the planet.
August 21, 2026
Favorite Star Patterns
Teapot of Sagittarius points to the Milky Way’s center
As you gaze toward the famous Teapot asterism in the constellation Sagittarius, you are looking toward the center of our Milky Way galaxy.
August 21, 2026
Earth
Pyrocumulonimbus clouds are fire-generated thunderstorms
This summer, NASA has been studying pyrocumulonimbus clouds, or fire-driven thunderstorms. Researchers are flying planes right into the plumes for samples.
August 20, 2026
Space
Astronomers discover a black hole star, a new type of object
Astronomers believe the little red dots we see in the early universe are a newly discovered type of object called a black hole star.
August 20, 2026
Space
Detecting whispers from the early universe … from the moon
A tiny UK satellite called CosmoCube is to listen for signals from the early universe. It will use the dark side of the moon to block out noise from Earth.
August 20, 2026
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