A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Researchers propose turning a future NASA moon base into a quarantine station that would screen space samples before they ever reach Earth.

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

This video explores a hypothetical scenario regarding a global extraterrestrial invasion starting from a security breach at a ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Alien: Earth star, Timothy Olyphant, reveals that Season 2 will take the story for the prequel series' next chapter in a very ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Researchers say a biocontainment facility on the Moon could be humanity's last line of defense against potential future alien ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven ...

A lot of money and engineering time has been invested in transporting humans to the red planet, including more than $15 billion on Starship development. Musk envisions a flotilla of several thousand ...