The comet, earlier known as A11pI3Z, passed by us in December. It’ll do a pit-stop at Jupiter in the spring before heading ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

We've all grown up dreaming of aliens landing on the Earth or laser beaming across the sky; well, either way, it's sci-fi and ...

The third known visitor from another star system, Comet 3I/ATLAS, has been racing through the Solar System with just enough ...

It seems that we are completely alone in the universe. But simple reasoning suggests that there should be an abundance of alien civilizations. Maybe they're all out there, but they are keeping their ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, as the object moves away from Earth.

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

A mysterious intergalactic object could potentially be a “hostile” alien spacecraft that’s slated to attack our planet in November, according to a controversial new study by a small group of ...

Giorgio A. Tsoukalos talks about the Alien Astronaut Theory & the new episodes of "Ancient Aliens" on The History Channel.

One common complaint about science fiction involving aliens, especially a large and diverse cast of different alien races, is that the aliens just aren't alien enough. It seems like every week, the ...