From tidally-locked deserts to planet-wide oceans, this tour hops between six imagined worlds, each built around the actual ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

Researchers in a recent breakthrough study have found the possibility of structures in the Milky Way that could be built by ...

, July 10 -- Scientists searching for signs of intelligent extraterrestrial life say some of the coldest objects in the Milky ...

Scientists explore the Fermi paradox, suggesting that alien civilisations may self-destruct before becoming detectable, ...

The odds of there being another intelligent life form in the Milky Way are pretty good given the billions of stars. But we ...

Former NASA UAP study member Mike Gold says US officials are quietly working to declassify more UFO material and urges ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Some of the most common planets in our galaxy may be hiding far more water than scientists can currently detect—even with the ...

Thomas Mulligan examines the potential for catastrophic consequences should humanity encounter communications from advanced extraterrestrial civilizations.

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...