Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

We may be able to find evidence of advanced alien civilizations in pulverized traces of their technology. Oxford astrophysicist Brian Lacki argues in a new, yet-to-be-peer-reviewed paper that, instead ...

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

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