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

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

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 ...

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

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

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and found nothing.

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 ...

There may be 19 asteroids in orbit around the sun that come from somewhere else entirely. If true, we could visit an alien 'world' without ever leaving the confines of the solar system. Share on ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...