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

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

Scientists recently detected something unusual entering our Solar System, sparking discussions about whether it is a comet or ...

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

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

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 ...

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 ...

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 ...

Three researchers recently published a paper speculating about whether an object (likely a comet) could be "hostile" alien technology Scientists estimate the object to be more than 12-miles-wide, ...