Two scientists explored the idea that there was another civilizaton before humans, which harnessed energy and wiped itself out. To investigate, they looked deep into the Earth’s past but also far into ...

Researchers are zeroing in on more deliberate “narrow-band” alien signals, well outside the radio frequencies SETI has ...

The curious minds at What If journey across the cosmos to uncover the advanced technologies and societal mysteries of a hypothetical extraterrestrial society thriving on our nearest neighboring ...

Looking ahead: Existing radio surveys may contain signals that were never recognized as potential technosignatures. New ...

The curious minds at What If explore what would happen if there were an alien civilization on Proxima b.

The world of science is full of mysteries and the astronomers explore these mysteries daily. In the most recent update, ...

Ancient DNA from Shimao reveals local origins, broad prehistoric connections, a patrilineal social structure, and gender-specific patterns of human sacrifice.

For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Chilling Reasons We Haven’t Made Contact With Aliens Yet For decades, the idea of making contact with extraterrestrial life ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

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

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's recent declassified files. It's not. We're talking about technosignatures, ...