Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no detectable technosignatures strong enough to suggest it is an alien spacecraft.

Nov. 20 (UPI) --NASA released images of the interstellar comet 3I/ATLAS flying past Mars and, based on the agency's observations, scientists expressed doubt that it is an alien spaceship. Space ...

Looking for a fun and easy alien spaceship craft to make with your kids that is out of this world? This alien kids craft project makes great bookmarks, photo props or just a fun craft project with ...

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." When you purchase through links on our site, we may earn an affiliate ...