Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...
Scientists at the SETI Institute recently searched for technological signals from 3I/ATLAS, the third interstellar object ...
Observations with the Allen Telescope Array set new limits on possible signals from extraterrestrial transmitters.
The Subaru Telescope observed the interstellar comet 3I/ATLAS on January 7, 2026, after it made its closest approach to the sun. By observing colors in the coma around the comet, astronomers could ...
The view coming back from NASA’s James Webb Space Telescope has a way of turning familiar categories of comet science ...
Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But lest you ...
Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system. But it may not be around much longer. The otherworldly visitor to ...
Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.
"We hope to gain a deeper understanding of how planetesimals and planets formed in a wide variety of stellar systems, including our own solar system." When you purchase through links on our site, we ...
Interstellar comet 3I/ATLAS (C/2025 N1) captured by the Subaru Telescope on December 13, 2025 (Hawaii-Aleutian Standard Time). This image was created by combining three different wavelengths: V-band ...