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

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

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 ...

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 ...

Is alien invasion armageddon coming for us in November? That's the speculation set off by a legitimate academic study recently published by a team of scientists. In early July, a previously ...

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

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

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

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 ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...