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Space
This dead star is still shredding its planetary system
Astronomers have discovered a dead star is still shredding the remains of its ancient planetary system. The metallic debris is spiraling onto the white dwarf.
October 23, 2025
Space
Ancient water in protoplanetary disk is older than its star
Astronomers found ancient water in the planet-forming disk of a young star. This heavy water formed in molecular clouds before the star was born.
October 23, 2025
Earth
Sun
Sun news: Yesterday’s huge blast of sun-stuff to hit Venus
Sun news for October 23, 2025: The huge blob of solar material was saw launch from the sun's far side on Tuesday is set to hit Venus today.
October 23, 2025
Constellations
Auriga the Charioteer and bright Capella on October evenings
Auriga the Charioteer is a north circumpolar constellation best viewed on autumn and winter evenings. Its star Capella is the 6th brightest star in the sky.
October 23, 2025
Astronomy Essentials
Tonight
Visible planets and night sky guide for October
Visible planets and night sky guide. There are 3 comets in the sky now that you might be able to see! Watch this video to learn how.
October 23, 2025
Human World
Covid vaccine could help cancer patients fight tumors
A new study has found that the Covid vaccine stimulated the immune system of cancer patients to attack tumors. Read more about this encouraging research.
October 22, 2025
Space
New study says microbes on Mars might be living in the ice
If there are any living microbes on Mars, or even dead ones, the best place to search for them is in ice deposits, a new study from Penn State and Goddard said.
October 22, 2025
Space
What etched these strange gullies on Mars into the sand?
Researchers investigated unusual gullies on Mars that are deeply etched into sand dunes. Blocks of sublimating CO2 ice could create the unearthly features.
October 22, 2025
Astronomy Essentials
Proxima Centauri, the closest star to our sun
Proxima Centauri is the nearest star to our sun at 4.22 light-years away. It's home to at least 3 planets and has massive solar flares.
October 22, 2025
Space
New comet C/2025 R2 (SWAN) is up after sunset, too
New comet C/2025 R2 (SWAN) is still shining at 6th magnitude, meaning it's within the limit for viewing with the unaided eye. But binoculars will show it better!
October 22, 2025
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