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Space
New type of supernova, as a black hole triggers a star explosion
Astronomers believe they've found a new type of supernova. They say it exploded as a star tried to envelop its black hole companion.
August 15, 2025
Earth
Do you love twilight? The 3 stages explained
Twilight is that magical time between sunlight and darkness. Astronomers, the experts on nighttime, recognize three stages of twilight.
August 15, 2025
Constellations
Delphinus the Dolphin has a graceful kite shape
Delphinus the Dolphin is a petite constellation that looks like the animal it's supposed to represent. Look for the dolphin leaping under the Summer Triangle.
August 15, 2025
Earth
Sun
Sun news: Quiet sun, with a gorgeous arching prominence
Sun news August 15, 2025. We saw a gorgeous arching prominences in the solar northwest this morning, which launched ejecta into space.
August 15, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for August
Visible planets and night sky guide. See the moon near the Pleiades after midnight through dawn. Don't miss Venus and Jupiter close together in the dawn sky!
August 15, 2025
Space
Giant free-floating planets might have planets of their own
Giant free-floating planets drift in space with no stars. New observations from the Webb telescope suggest they could have their own planets orbiting them.
August 14, 2025
Earth
Can you see a full circle rainbow? All you need to know
It's possible to see the full circle rainbow, but sky conditions have to be just right. They're most often seen by pilots, who have a good view of the sky.
August 14, 2025
Space
Strange spiral in the night sky was a rocket fuel dump
On Tuesday, August 12, 2025, many people in the U.S. and Canada reported seeing a strange spiral in the night sky. It was a fuel dump from a rocket.
August 13, 2025
Space
Surprisingly chaotic early universe had supersonic turbulence
In a surprisingly chaotic early universe, the 1st star-forming clouds experienced supersonic turbulence only a few hundred million years after the Big Bang.
August 13, 2025
Earth
Female gorillas favor moving to groups that have gal pals
Female gorillas prefer to join groups with females they had lived with in the past. They also avoided groups with males they grew up with.
August 13, 2025
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