Add Yahoo as a preferred source to see more of our stories on Google. The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we ...

Add Yahoo as a preferred source to see more of our stories on Google. Human ingenuity has enabled us to engineer and launch probes like Voyager and Pioneer, capable of reaching the closest stars.

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to rule them out, according to a NASA‑linked study presented this month by ...

This week, Breakthrough Listen, a $100 million program funded by Russian tech billionaire, Yuri Milner, and backed by some of the world's top astrophysicists, started investigating a giant ...

The story, as we non-scientists understand it, is that a cigar-shaped object was spotted in our solar system last fall, and that it behaved in strange ways that can’t be explained by existing ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

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

Harvard professor Avi Loeb believes that aliens are not going to visit Earth in physical form, and would instead send a "technological device guided by AI". Their visit would not be fun either, and ...

There has been increased interest in unidentified flying objects (UFOs) ever since the Pentagon’s 2021 report revealed what appears to be anomalous objects in US airspace, dubbed unidentified aerial ...