Updates on your cosmos and world
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For the first time, astronomers have discovered 3 supermassive black holes in a single galaxy in the early universe. Two of them are merging! The post A first! 3 supermassive black holes discovered in 1 galaxy first appeared on EarthSky .
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. The post Voyager 2 confirms Neptune’s rings on August 22 in 1989 first appeared on EarthSky .
As you gaze toward the famous Teapot asterism in the constellation Sagittarius, you are looking toward the center of our Milky Way galaxy. The post Teapot of Sagittarius points to the Milky Way’s center first appeared on EarthSky .
This summer, NASA is studying pyrocumulonimbus clouds, or fire-driven thunderstorms. Researchers are flying planes right into the smoke plumes for samples. The post Pyrocumulonimbus clouds are fire-generated thunderstorms first appeared on EarthSky .
Astronomers believe the little red dots we see in the early universe are a newly discovered type of object called a black hole star. The post Astronomers discover a black hole star, a new type of object first appeared on EarthSky .
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. The post Detecting whispers from the early universe … from the moon first appeared on EarthSky .
Sagitta the Arrow is a dim constellation that lies inside the Summer Triangle. It contains one Messier object, a small globular cluster. The post Sagitta the Arrow lies inside the Summer Triangle first appeared on EarthSky .
Voyager 2 realized the vision of what was originally called a Grand Tour of the outer solar system. It is the only craft that has visited all 4 outer planets. The post Voyager 2 spacecraft launched 49 years ago today first appeared on EarthSky .
Korean's lunar orbiter, Danuri, captured a view of the solar eclipse on August 12, 2026. This unique perspective includes the moon's limb in the foreground. The post See the August 12 solar eclipse from the moon’s perspective first appeared on EarthSky .
Super-Earths might be solid in their deep insides, a new study says. Minerals might take unusual forms and remain solid despite the intense heat and pressure. The post Super-Earths might be solid deep on the inside first appeared on EarthSky .
The Great Rift or Dark Rift is a darkened swath of the Milky Way where new stars are forming. It's best seen from a rural location away from light pollution. The post The Great Rift is a dark swath in the Milky Way first appeared on EarthSky .
The sun passes through Ophiuchus for about 2 weeks every year, so why isn’t this constellation considered the zodiac’s 13th sign? The post Is Ophiuchus the 13th constellation of the zodiac? first appeared on EarthSky .
The Vera C. Rubin Observatory has only just begun its survey, yet it has already discovered its first ultra-faint Milky Way satellite, Aquarius IV. The post 1st ultra-faint Milky Way satellite galaxy found by Rubin first appeared on EarthSky .
We're now in the best months for viewing Saturn in 2026. It'll be at it's best around October 4 when it's closest to Earth and visible all night. The post Give me 5 minutes and I’ll give you Saturn first appeared on EarthSky .
Sun news August 17, 2026: Solar material is set to reach Earth later today. G1 to G2 storms could bring auroras to Canada, the northern US, and Scotland. The post Sun news: Sun-stuff blast headed to Earth first appeared on EarthSky .
Visible planets and night sky guide: This evening, the waxing crescent moon will hang near brilliant Venus and the bright star Spica. Don't miss them! The post Visible planets and night sky guide for August first appeared on EarthSky .
On this date in 1877, astronomer Asaph Hall discovered a moon for Mars: Phobos, the larger of 2 moons. He discovered the other moon, Deimos, later that year. The post A moon for Mars! Asaph Hall finds Phobos 149 years ago first appeared on EarthSky .
The Swift space telescope is falling back to Earth. The LINK spacecraft is trying to save it. See both in orbit in a new video. The post Swift spacecraft, and a mission to save it, caught on video first appeared on EarthSky .
Sprawling, huge cracks on Venus have long puzzled scientists. A new study suggests the polygon shapes formed from drying mud on an ancient seafloor. The post Were these polygonal cracks on Venus once on a seafloor? first appeared on EarthSky .
A deep partial lunar eclipse takes place of the full Sturgeon Moon on August 27-28, 2026, It's well placed for the Western Hemisphere. The post Deep partial lunar eclipse on August 27-28, 2026 first appeared on EarthSky .
Laser surveys have revealed hundreds of earthworks in the Amazon. Researchers estimate the ancient Amazon civilization could have supported 3 million people. The post Ancient Amazon civilization might have been home to millions first appeared on EarthSky .
A globular cluster is a spherical collection of stars orbiting in the halo of spiral galaxies. Our own Milky Way galaxy has over 150 globular clusters. The post What’s a globular cluster? The Milky Way has about 150 first appeared on EarthSky .
Total solar eclipse August 12! Whether you saw it or not from your location, you can experience it! See the best images from our community here. The post Total solar eclipse August 12, 2026: Best images first appeared on EarthSky .
The Arctic, Greenland, Iceland and Spain will have a total solar eclipse on August 12, 2026. Parts of Europe and North America will see a partial. The post Total solar eclipse August 12: EarthSky livestream and more first appeared on EarthSky .
