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

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

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

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

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

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 ...

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 ...

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

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

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...