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 ...

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 ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

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

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

Otherworldly aliens are as important to the "Star Wars" saga as a rousing score or elaborate outer space fights between cool spaceships. From the very first entry in this narrative, "Star Wars" has ...

“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 ...