The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Once small enough, these technograins might gain a trip out of its host solar system by a solar wind that overcomes the ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Our search for technosignatures – clear signs of advanced civilizations beyond Earth – takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...

Explore the Dyson sphere as a star‑scale megastructure, its astrophysics, Dyson swarm variants, and the extreme engineering challenges behind this iconic sci‑fi idea. Pixabay, AstroGraphix_Visuals A ...

A Dyson sphere is a hypothetical megastructure built by an advanced civilization to capture the enormous energy output of a star. Rather than being a solid shell, scientists believe it would more ...

As a long-time lover of science fiction, I’m very familiar with the old trope of a galaxy-spanning human civilization, thousands or even millions of planets strong. Watching Star Trek, Star Wars and ...

Could the strange light fluctuations of Tabby's Star be evidence of a Type II civilization building a Dyson Sphere? Trump posts image of himself as Jesus—and even some allies are outraged Watch: ...