Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to ...

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

Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, ...

Billions of years ago, while the solar system was still young, a massive object may have drifted into it. It's not a spaceship, but it is an alien visitor in its own right—a colossal interstellar body ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

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

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...