Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion ...

In July 2025, astronomers detected the third known interstellar object ever observed passing through our solar system—an ...

SETI scanned 3I/Atlas for more than seven hours and detected no signs of extraterrestrial technology; The comet is only the ...

When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...

NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

3I/ATLAS is one of the few known interstellar objects ever observed passing through our Solar System. Scientists around the ...

The James Webb Space Telescope observed a large amount of methane around 3I/ATLAS, revealing just how different it is from comets from our solar system.

To do so, she leads a team studying the exotic chemistry that happens under the crushing cold and near-perfect vacuum of ...

A cosmic traveler from beyond our solar system is making its closest approach to Earth this week, offering astronomers and stargazers a fleeting opportunity to witness a visitor from another star ...

Since the dawn of the solar system, rocky visitors from deep space have blazed across Earth's skies. But the question remains: when will the next interstellar object appear in our solar system? An ...

After comet 3I/ATLAS reached perihelion, JWST took another look and detected methane on an interstellar object for the first time. When you purchase through links on our site, we may earn an affiliate ...