Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.
An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...
One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by ...
Hubble Space Telescope image of 3I/ATLAS. (NASA, ESA, David Jewitt/UCLA; Image Processing: Joseph DePasquale/STScI) All signs ...
The latest interstellar visitor to be discovered in our solar system was born somewhere in the universe that was nothing like ...
An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar System and is ...
The interstellar object 3I/ATLAS has sparked online speculation about alien technology after viral TikTok videos claimed ...
The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...
Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered in erupting icy, volcano-like structures called cryovolcanoes. Researchers ...
3I/ATLAS is surrounded by “a complex jet structure,” new images show, sparking fresh speculation that the Manhattan-sized interstellar object could be an artificial alien craft. The images, captured ...
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An interstellar object roughly the size of Manhattan has captured scientists’ attention — and one prominent Harvard astrophysicist believes it could be something far beyond natural. According to the ...
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