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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
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
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
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
Venus and Jupiter conjunction. Plus meteors! See the images
Venus and Jupiter - the 2 brightest planets in Earth’s sky – were closest together for this year Monday morning. Here are the best images.
August 12, 2025
Meet intermediate black holes: Between stellar and massive
Intermediate-mass black holes have masses between stellar black holes and supermassive black holes. They are rare and hard to detect.
August 12, 2025
Thuban was the North Star for the ancient Egyptians
The North Star changes over time. Thuban was the Pole Star some 5,000 years ago, when the Egyptians were building the pyramids.
August 12, 2025
Why flash floods in the U.S. have been extreme in 2025
Parts of the United States have seen extreme flash floods in 2025. Get the reasons why from a scientist who studies extreme precipitation events.
August 10, 2025
Did alcohol and evolution go hand in hand for humanity?
Alcohol and evolution: Eating alcohol-laden fruit might have helped early hominids socialize. Later, did making alcohol drive the rise of agriculture?
August 10, 2025
Analyzing binary stars with AI brings new insights
Scientists say AI could be used to massively decrease the time it takes to compute the properties of the complext orbits of binary stars.
August 8, 2025
