A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new wave of alien conspiracy theorists have made “disclosure” into a teasingly ...

The mission is still in the early stages of its conception, with contracts given recently to firms.