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

Some believe the Betz mystery sphere, a steel ball that a Florida family found on their property in 1974, is a piece of alien technology. Here’s the truth.

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

Extraterrestrials have issued a stark warning to mankind that we risk annihilating our planet in a stunning UFO revelation, which researchers are hailing as "first contact." The ominous alert from ...