Black holes can release enormous energy through hot disks, surrounding plasma and powerful jets, enough to support a civilization far beyond ours. Any giant collector would release unused energy as ...

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

The curious minds at What If journey across the cosmos to uncover the advanced technologies and societal mysteries of a ...

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

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

This segment of The Twilight Zone revival puts a sci-fi spin on the origins of the classic Christmas story, adding a layer of ...

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 scale of space.

For decades, SETI researchers have focused on finding narrow-band radio signals that might stand out from the natural universe. But what if an advanced civilization that wanted to communicate would ...

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

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, ...