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Mysterious crown-like features on Venus may finally have an explanation

September 30, 2025
The mystery behind Venus’ giant, crown-shaped geological features, known as coronae, may finally have an explanation: A “glass ceiling” in Venus’ mantle is trapping heat and driving slow, shifting currents that might lead to the formation of the crown-like surface features, scientists propose in a new study. “On Venus, there is a pattern that is telling us…
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Why 2025's Harvest Moon is a rare October full moon

September 29, 2025
Our next full moon will occur on Oct. 6, and it will be a somewhat special one for those living in the Northern Hemisphere in that it will also carry the title of “Harvest Moon.” The moon officially turns full when it reaches that spot in the sky opposite (180…
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Viltrox AF 35mm f/1.2 LAB FE lens review

September 29, 2025
When you’re shooting subjects such as the night sky, the ability to resolve fine detail while also pushing camera settings to the limit is essential. This is why professional prime lenses can be the perfect options for astrophotographers, and the Viltrox AF 35mm f/1.2 LAB…
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See the red supergiant star Antares shine with the crescent moon at sunset on Sept. 27

September 29, 2025
Heads up stargazers! The moon will shine close to the bright star Antares at sunset on Sept. 27, while some lucky viewers — and plenty of penguins — will witness the lunar disk pass directly in front of the red supergiant, hiding it from view. Look 15 degrees above the southwestern horizon at sunset on Sept. 27 to find the waxing crescent moon. Antares will glow less than 3 degrees to its…
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Canon RF 85mm f/1.2L USM lens review

September 26, 2025
85mm prime lenses are highly regarded for their excellent image quality and fast maximum apertures. This makes them a popular choice for different types of photography because of the focal length they provide alongside fast maximum apertures. This makes it an attractive lens…
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These 2 galaxies are falling into the Virgo Cluster at a staggering rate of 547 miles per second

September 26, 2025
A vast river of neutral hydrogen bridges two galaxies that are beginning to enter the monstrous Virgo Cluster, and this structure is helping astronomers better understand our Milky Way’s relationship with the nearby Magellanic Clouds. The two galaxies, named NGC 4532 and DDO 137, are in fact falling into the Virgo Cluster at 547 miles (880 kilometers) per second, and in doing so are plowing…
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Could astronauts travel to Mars on nuclear-powered rockets? These scientists want to make it happen

September 25, 2025
Space missions in the future could travel to Mars, asteroids and the outer solar system by riding on nuclear-powered rockets, thanks to a new design that utilizes energy from the nuclear fission of liquid uranium to heat propellant. The exciting potential of the new technology, which is called a centrifugal nuclear thermal rocket (CNTR), can be neatly summed up by its specific impulse, which…
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