Astronomers probed interstellar comet 3I/ATLAS for alien technosignatures, tracing nine 'mysterious' signals back to human ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

A legendary signal from deep space, once dismissed by some as statistical noise, has just become even more mysterious.

Avi Loeb says interstellar objects such as 3I/ATLAS could carry time capsules into deep space faster than spacecraft built with 1970s technology ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

The year in moviegoing can, perhaps, be summed up by one fact: “Sinners” is the only film in the Top 10 list of ...

Interstellar Comet 3I/ATLAS makes its closest Earth pass early on Dec. 19. Here's what astronomers know about its origin and speed.

I/ATLAS’s enigma continues as its closest approach to Earth is nigh ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.