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'City-killer' asteroid has a 1-in-43 chance of smashing into Earth in 2032, NASA says
By Joanna Thompson last updated
A space rock dubbed 2024 YR4 has a roughly 2.3% chance of smashing into our planet, NASA scientists announced.

Astronomers discover 'Quipu', the single largest structure in the known universe
By Stephanie Pappas published
Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

Red 'star' rising with the moon on Sunday is really Mars — and you may be able to see it 'disappear'
By Gretchen Rundorff last updated
Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how to get the best view of the rare conjunction.

Stunning, rainbow-colored object spotted by James Webb telescope could be an alien solar system in the making
By Ben Turner published
The James Webb Space Telescope has captured a belching protostar in its infancy. By studying the dust grains whirling around it, astronomers hope to better understand how solar systems like our own take shape.

NASA's new SPHEREx space telescope to launch in February — it can do what the JWST can't
By Monisha Ravisetti published
SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even the JWST can't exactly do.

'Bull's-eye!' Hubble telescope spots record-shattering 9-ring galaxy — and the cosmic 'dart' that smashed through its center
By Joanna Thompson published
Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with the dwarf galaxy that violently plunged through its center.

'Impossible' black holes detected by James Webb telescope may finally have an explanation — if this ultra-rare form of matter exists
By Andrey Feldman published
Observations from the James Webb Space Telescope reveal monster black holes in the early universe that seem to have grown too big, too fast. New research points to a strange form of dark matter as a possible culprit.

Venus and the moon dance over the Eiffel Tower in stunning 'planetary parade' photo from Paris
By Harry Baker published
A French astrophotographer has captured a stunning photo of Venus and the moon shining above the Eiffel Tower in Paris, thanks to a rare "parade of planets."

'It was so simple': How Antarctica's missing meteorites were discovered using a block of ice, a freezer and a lamp
By Joshua Howgego published
"What if the iron stones were warming up to the point where they would actually melt the glacial ice beneath them and sink into it, perhaps even descending far enough so as to be hidden below the surface?"

Scientists discover giant galaxy 32 times bigger than Earth's — and they named it 'trouble'
By Jacinta Delhaize published
Scientists have discovered an enormous radio galaxy 32 times the size of the Milky Way. They nicknamed it "Inkathazo," or "trouble," as the team struggles to understand the physics behind it.
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