Astronomers pointed two of the world’s most sensitive radio telescopes at 3I/ATLAS, the third confirmed interstellar object ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before. In the gas around it, they found isotope ratios that do not match the ...

China’s Tianwen-1 orbiter caught a rare glimpse of 3I/ATLAS as it swept past Mars, revealing the hazy coma and tail of a ...

The pre-perihelion and post-perihelion observations of the interstellar interloper by Earth-based observatories and ...

Cropped image of NASA’s James Webb Space Telescope observation of comet 3I/ATLAS with its Near-Infrared Spectrograph ...

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 ...

On the 1st of July 2025, the Asteroid Terrestrial-Impact Last Alert System (ATLAS) in Chile spotted a new comet entering our solar system. This comet was named 3I/ATLAS, as it's only the third ...

It’s doing a Sun run. Manhattan-sized comet 3I/ATLAS — which scientists suspect could have extraterrestrial origins — will reach its closest approach to the Sun on October 30. While ATLAS doesn’t ...

The earliest images of 3I/ATLAS, newly uncovered by Michigan State University, reveal how the interstellar object evolved as it traveled through our solar system—and how other distant solar systems ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...

This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...