The truth about aliens may be out there, but don't expect them to look like little green men, RadarOnline. com can report.

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

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

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