Australians will have their only chance to spy a newly discovered blue-green comet scorching past Earth during the next fortnight – coinciding with the flashy peak of a meteor shower – before the ...

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Astronomers using radio telescope observations to get an inside look at an interstellar comet have gleaned new insights into when and where the celestial object formed. The comet, named 3I/ATLAS, ...

In late 2025, astronomers spotted an interstellar comet making a quick trip through the solar system. 3I/ATLAS was discovered ...

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have formed in a place far colder and stranger than anything around our Sun. The ...

The interstellar object 3I/ATLAS will reach its closest point to Earth this Friday, December 19, 2025. Ephemerides from the JPL Horizons system place this minimum at 06:00 UTC. At that moment, the ...

Add Yahoo as a preferred source to see more of our stories on Google. Harvard astronomer Avi Loeb joined ChicagoLIVE to discuss new developments in the search for extraterrestrial life, including ...

If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it using today’s rocket technology. According to a press release, researchers at ...

Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a ...

The Trump administration's Department of Defense released its first batch of files regarding "unidentified anomalous ...