Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is just a story.

When an unknown object from the depths of interstellar space tumbles through our cosmic neighbourhood, it is bound to capture our imagination. Named 3I/ATLAS and officially designated C/2025 N1 (ATLAS ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...

The mysterious interstellar object scientists say is cruising through our solar system is “generating its own light”, according to an expert. This latest revelation about the strange UFO – known as 3I ...

Humans could be reached by aliens in less than 116 days, according to one Harvard professor, who says an unexplained object flying towards Earth might be a "hostile" alien spacecraft. Professor Loeb ...