Our solar system's journey around the center of the Milky Way takes it through varying galactic environments, and one may ...

A new paper suggests that the “zoo hypothesis” may explain why we haven’t heard from aliens yet Extraterrestrial societies may have advanced means to conceal themselves One of the ...

According to an alternative model of how intelligent life emerges on planets like Earth, the existence of aliens—and human beings–could be the result of natural planetary processes.

While scientists could stick with the classic reasoning that alien life simply doesn't exist ... University of Oxford proposed the Aestivation Hypothesis. It's the idea that most aliens are ...

Recent surveys of millions of stars in our galaxy have unveiled mysterious spikes in infrared heat emanating from dozens of them, prompting speculation about the possibility of advanced alien ...