As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

When sonar first picked up a massive, stair‑like object on the floor of the Baltic Sea, the image looked less like geology and more like a movie prop. The structure’s circular outline, sharp edges and ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Another strange monolith – this one more reminiscent of the one in the movie "2001: A Space Odyssey" – appeared earlier this week in Colorado northwest of Fort Collins. Nearly 250 mysterious monoliths ...

A team of astronomers combed through a collection of odd stars that are candidates for Dyson spheres — artificial constructs designed by aliens to leech energy from stars. Instead, the scientists ...