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![An illustration of an asteroid approaching Earth](https://cdn.mos.cms.futurecdn.net/hF68obBzzxNiQwxDeSAYz6-320-80.jpg)
'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.
![An image of a supercluster outline in pink and blue blobs](https://cdn.mos.cms.futurecdn.net/3X9m9xUVCtaDAACZba4SxN-320-80.jpg)
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.
![A telescope photo of the Red Planet Mars rising near the bottom of Earth's moon](https://cdn.mos.cms.futurecdn.net/tBJTQJXALPrgQvu6H93Ef7-320-80.jpg)
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.
![HH 30 as imaged by the James Webb Space Telescope.](https://cdn.mos.cms.futurecdn.net/WpUe2E2jTETuMXMRrQYwNK-320-80.jpg)
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.
![](https://cdn.mos.cms.futurecdn.net/XUfVfet2gsXXTLCZJvwErf-320-80.jpg)
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.
![an illustration of a galaxy with concentric rings](https://cdn.mos.cms.futurecdn.net/4w2JeWpFXu3oBRkAGNak6c-320-80.jpg)
'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.
![a man with a snowboard poses in front of a full moon](https://cdn.mos.cms.futurecdn.net/c2KQEfYxjdsjmwTfsFPB8i-320-80.jpg)
Snow Moon 2025: How to see February's full moon rise with the 'Heart of the Lion' before Valentine's Day
By Jamie Carter published
February's full Snow Moon will have a royal companion as it rises alongside Regulus, a star nicknamed "Heart of the Lion", before Valentine's Day.
![](https://cdn.mos.cms.futurecdn.net/APFikZnS7gpQC2oDVvK5R5-320-80.jpg)
'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.
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