On a single day last November, two spacecraft millions of kilometers apart turned their ultraviolet eyes toward the same ...

3I/ATLAS interstellar comet or alien spacecraft? This question gained attention after NASA released new images of comet 3I/ATLAS on 18 December. The images were captured by the Europa Clipper ...

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.

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a sigh of relief. Echoing what NASA officials have long said, a team of ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...